Home / 666,839.66-1,000,224.20-187,100.87

Finding the Fourth Proportional to 666,839.66, 1,000,224.20 and 187,100.87

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Solution

The fourth proportional to 666,839.66, 1,000,224.20 and 187,100.87 is: 280,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,839.66 : 1,000,224.20 = 187,100.87 : x
  2. Step 2: Convert to fraction form
    666,839.66/1,000,224.20 = 187,100.87/x
  3. Step 3: Cross multiply
    666,839.66x = 1,000,224.20 × 187,100.87
  4. Step 4: Simplify right side
    666,839.66x = 187,142,812,078.43
  5. Step 5: Solve for x
    x = 187,142,812,078.43/666,839.66
  6. Step 6: Final answer
    x = 280,641.40

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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.