Home / 443,822.55-612,473.67-239,872.83

Finding the Fourth Proportional to 443,822.55, 612,473.67 and 239,872.83

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Solution

The fourth proportional to 443,822.55, 612,473.67 and 239,872.83 is: 331,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,822.55 : 612,473.67 = 239,872.83 : x
  2. Step 2: Convert to fraction form
    443,822.55/612,473.67 = 239,872.83/x
  3. Step 3: Cross multiply
    443,822.55x = 612,473.67 × 239,872.83
  4. Step 4: Simplify right side
    443,822.55x = 146,915,792,523.39
  5. Step 5: Solve for x
    x = 146,915,792,523.39/443,822.55
  6. Step 6: Final answer
    x = 331,023.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.