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Finding the Fourth Proportional to 334,783.40, 502,179.17 and 98,130.83

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Solution

The fourth proportional to 334,783.40, 502,179.17 and 98,130.83 is: 147,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,783.40 : 502,179.17 = 98,130.83 : x
  2. Step 2: Convert to fraction form
    334,783.40/502,179.17 = 98,130.83/x
  3. Step 3: Cross multiply
    334,783.40x = 502,179.17 × 98,130.83
  4. Step 4: Simplify right side
    334,783.40x = 49,279,255,759.26
  5. Step 5: Solve for x
    x = 49,279,255,759.26/334,783.40
  6. Step 6: Final answer
    x = 147,197.43

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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.