Home / 615,182.08-922,209.36-215,605.04

Finding the Fourth Proportional to 615,182.08, 922,209.36 and 215,605.04

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Solution

The fourth proportional to 615,182.08, 922,209.36 and 215,605.04 is: 323,209.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,182.08 : 922,209.36 = 215,605.04 : x
  2. Step 2: Convert to fraction form
    615,182.08/922,209.36 = 215,605.04/x
  3. Step 3: Cross multiply
    615,182.08x = 922,209.36 × 215,605.04
  4. Step 4: Simplify right side
    615,182.08x = 198,832,985,951.17
  5. Step 5: Solve for x
    x = 198,832,985,951.17/615,182.08
  6. Step 6: Final answer
    x = 323,209.98

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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.