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Finding the Fourth Proportional to 451,642.30, 677,463.45 and 152,023.30

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Solution

The fourth proportional to 451,642.30, 677,463.45 and 152,023.30 is: 228,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,642.30 : 677,463.45 = 152,023.30 : x
  2. Step 2: Convert to fraction form
    451,642.30/677,463.45 = 152,023.30/x
  3. Step 3: Cross multiply
    451,642.30x = 677,463.45 × 152,023.30
  4. Step 4: Simplify right side
    451,642.30x = 102,990,229,298.39
  5. Step 5: Solve for x
    x = 102,990,229,298.39/451,642.30
  6. Step 6: Final answer
    x = 228,034.95

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Similar ratio
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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.