Home / 242,214.10-363,353.55-84,490.90

Finding the Fourth Proportional to 242,214.10, 363,353.55 and 84,490.90

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Solution

The fourth proportional to 242,214.10, 363,353.55 and 84,490.90 is: 126,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,214.10 : 363,353.55 = 84,490.90 : x
  2. Step 2: Convert to fraction form
    242,214.10/363,353.55 = 84,490.90/x
  3. Step 3: Cross multiply
    242,214.10x = 363,353.55 × 84,490.90
  4. Step 4: Simplify right side
    242,214.10x = 30,700,068,457.70
  5. Step 5: Solve for x
    x = 30,700,068,457.70/242,214.10
  6. Step 6: Final answer
    x = 126,747.65

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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.