Home / 666,484.18-1,000,132.25-239,984.34

Finding the Fourth Proportional to 666,484.18, 1,000,132.25 and 239,984.34

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Solution

The fourth proportional to 666,484.18, 1,000,132.25 and 239,984.34 is: 360,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,484.18 : 1,000,132.25 = 239,984.34 : x
  2. Step 2: Convert to fraction form
    666,484.18/1,000,132.25 = 239,984.34/x
  3. Step 3: Cross multiply
    666,484.18x = 1,000,132.25 × 239,984.34
  4. Step 4: Simplify right side
    666,484.18x = 240,016,072,978.55
  5. Step 5: Solve for x
    x = 240,016,072,978.55/666,484.18
  6. Step 6: Final answer
    x = 360,122.68

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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.