Home / 402,938.82-604,619.91-178,454.34

Finding the Fourth Proportional to 402,938.82, 604,619.91 and 178,454.34

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Solution

The fourth proportional to 402,938.82, 604,619.91 and 178,454.34 is: 267,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,938.82 : 604,619.91 = 178,454.34 : x
  2. Step 2: Convert to fraction form
    402,938.82/604,619.91 = 178,454.34/x
  3. Step 3: Cross multiply
    402,938.82x = 604,619.91 × 178,454.34
  4. Step 4: Simplify right side
    402,938.82x = 107,897,046,989.91
  5. Step 5: Solve for x
    x = 107,897,046,989.91/402,938.82
  6. Step 6: Final answer
    x = 267,775.26

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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.