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Finding the Fourth Proportional to 525,801.10, 788,701.65 and 146,721.10

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Solution

The fourth proportional to 525,801.10, 788,701.65 and 146,721.10 is: 220,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,801.10 : 788,701.65 = 146,721.10 : x
  2. Step 2: Convert to fraction form
    525,801.10/788,701.65 = 146,721.10/x
  3. Step 3: Cross multiply
    525,801.10x = 788,701.65 × 146,721.10
  4. Step 4: Simplify right side
    525,801.10x = 115,719,173,659.82
  5. Step 5: Solve for x
    x = 115,719,173,659.82/525,801.10
  6. Step 6: Final answer
    x = 220,081.65

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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.