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Finding the Fourth Proportional to 607,200.90, 910,801.35 and 186,422.10

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Solution

The fourth proportional to 607,200.90, 910,801.35 and 186,422.10 is: 279,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,200.90 : 910,801.35 = 186,422.10 : x
  2. Step 2: Convert to fraction form
    607,200.90/910,801.35 = 186,422.10/x
  3. Step 3: Cross multiply
    607,200.90x = 910,801.35 × 186,422.10
  4. Step 4: Simplify right side
    607,200.90x = 169,793,500,349.84
  5. Step 5: Solve for x
    x = 169,793,500,349.84/607,200.90
  6. Step 6: Final answer
    x = 279,633.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.