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Finding the Fourth Proportional to 440,086.37, 660,000.15 and 187,363.94

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Solution

The fourth proportional to 440,086.37, 660,000.15 and 187,363.94 is: 280,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,086.37 : 660,000.15 = 187,363.94 : x
  2. Step 2: Convert to fraction form
    440,086.37/660,000.15 = 187,363.94/x
  3. Step 3: Cross multiply
    440,086.37x = 660,000.15 × 187,363.94
  4. Step 4: Simplify right side
    440,086.37x = 123,660,225,204.59
  5. Step 5: Solve for x
    x = 123,660,225,204.59/440,086.37
  6. Step 6: Final answer
    x = 280,990.81

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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.