Home / 440,135.72-660,248.33-151,909.85

Finding the Fourth Proportional to 440,135.72, 660,248.33 and 151,909.85

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Solution

The fourth proportional to 440,135.72, 660,248.33 and 151,909.85 is: 227,880.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,135.72 : 660,248.33 = 151,909.85 : x
  2. Step 2: Convert to fraction form
    440,135.72/660,248.33 = 151,909.85/x
  3. Step 3: Cross multiply
    440,135.72x = 660,248.33 × 151,909.85
  4. Step 4: Simplify right side
    440,135.72x = 100,298,220,712.26
  5. Step 5: Solve for x
    x = 100,298,220,712.26/440,135.72
  6. Step 6: Final answer
    x = 227,880.21

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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.