Home / 272,318.70-408,132.45-242,597.10

Finding the Fourth Proportional to 272,318.70, 408,132.45 and 242,597.10

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Solution

The fourth proportional to 272,318.70, 408,132.45 and 242,597.10 is: 363,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,318.70 : 408,132.45 = 242,597.10 : x
  2. Step 2: Convert to fraction form
    272,318.70/408,132.45 = 242,597.10/x
  3. Step 3: Cross multiply
    272,318.70x = 408,132.45 × 242,597.10
  4. Step 4: Simplify right side
    272,318.70x = 99,011,748,785.90
  5. Step 5: Solve for x
    x = 99,011,748,785.90/272,318.70
  6. Step 6: Final answer
    x = 363,587.77

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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.