Home / 292,414.12-437,930.25-142,756.90

Finding the Fourth Proportional to 292,414.12, 437,930.25 and 142,756.90

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Solution

The fourth proportional to 292,414.12, 437,930.25 and 142,756.90 is: 213,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,414.12 : 437,930.25 = 142,756.90 : x
  2. Step 2: Convert to fraction form
    292,414.12/437,930.25 = 142,756.90/x
  3. Step 3: Cross multiply
    292,414.12x = 437,930.25 × 142,756.90
  4. Step 4: Simplify right side
    292,414.12x = 62,517,564,906.23
  5. Step 5: Solve for x
    x = 62,517,564,906.23/292,414.12
  6. Step 6: Final answer
    x = 213,798.04

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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.