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Finding the Fourth Proportional to 337,602.64, 506,760.84 and 329,978.88

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Solution

The fourth proportional to 337,602.64, 506,760.84 and 329,978.88 is: 495,317.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,602.64 : 506,760.84 = 329,978.88 : x
  2. Step 2: Convert to fraction form
    337,602.64/506,760.84 = 329,978.88/x
  3. Step 3: Cross multiply
    337,602.64x = 506,760.84 × 329,978.88
  4. Step 4: Simplify right side
    337,602.64x = 167,220,374,411.06
  5. Step 5: Solve for x
    x = 167,220,374,411.06/337,602.64
  6. Step 6: Final answer
    x = 495,317.14

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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.