Home / 451,823.49-677,294.60-215,102.61

Finding the Fourth Proportional to 451,823.49, 677,294.60 and 215,102.61

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Solution

The fourth proportional to 451,823.49, 677,294.60 and 215,102.61 is: 322,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,823.49 : 677,294.60 = 215,102.61 : x
  2. Step 2: Convert to fraction form
    451,823.49/677,294.60 = 215,102.61/x
  3. Step 3: Cross multiply
    451,823.49x = 677,294.60 × 215,102.61
  4. Step 4: Simplify right side
    451,823.49x = 145,687,835,123.39
  5. Step 5: Solve for x
    x = 145,687,835,123.39/451,823.49
  6. Step 6: Final answer
    x = 322,444.14

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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.