Home / 439,312.87-658,983.82-151,121.62

Finding the Fourth Proportional to 439,312.87, 658,983.82 and 151,121.62

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Solution

The fourth proportional to 439,312.87, 658,983.82 and 151,121.62 is: 226,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,312.87 : 658,983.82 = 151,121.62 : x
  2. Step 2: Convert to fraction form
    439,312.87/658,983.82 = 151,121.62/x
  3. Step 3: Cross multiply
    439,312.87x = 658,983.82 × 151,121.62
  4. Step 4: Simplify right side
    439,312.87x = 99,586,702,432.19
  5. Step 5: Solve for x
    x = 99,586,702,432.19/439,312.87
  6. Step 6: Final answer
    x = 226,687.42

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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.