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Finding the Fourth Proportional to 284,289.60, 425,872.80 and 184,519.20

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Solution

The fourth proportional to 284,289.60, 425,872.80 and 184,519.20 is: 276,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,289.60 : 425,872.80 = 184,519.20 : x
  2. Step 2: Convert to fraction form
    284,289.60/425,872.80 = 184,519.20/x
  3. Step 3: Cross multiply
    284,289.60x = 425,872.80 × 184,519.20
  4. Step 4: Simplify right side
    284,289.60x = 78,581,708,357.76
  5. Step 5: Solve for x
    x = 78,581,708,357.76/284,289.60
  6. Step 6: Final answer
    x = 276,414.29

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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.