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Finding the Fourth Proportional to 565,123.48, 847,728.98 and 160,308.87

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Solution

The fourth proportional to 565,123.48, 847,728.98 and 160,308.87 is: 240,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,123.48 : 847,728.98 = 160,308.87 : x
  2. Step 2: Convert to fraction form
    565,123.48/847,728.98 = 160,308.87/x
  3. Step 3: Cross multiply
    565,123.48x = 847,728.98 × 160,308.87
  4. Step 4: Simplify right side
    565,123.48x = 135,898,474,850.05
  5. Step 5: Solve for x
    x = 135,898,474,850.05/565,123.48
  6. Step 6: Final answer
    x = 240,475.72

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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.