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Finding the Fourth Proportional to 302,940, 454,538.88 and 125,575.92

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Solution

The fourth proportional to 302,940, 454,538.88 and 125,575.92 is: 188,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,940 : 454,538.88 = 125,575.92 : x
  2. Step 2: Convert to fraction form
    302,940/454,538.88 = 125,575.92/x
  3. Step 3: Cross multiply
    302,940x = 454,538.88 × 125,575.92
  4. Step 4: Simplify right side
    302,940x = 57,079,138,031.77
  5. Step 5: Solve for x
    x = 57,079,138,031.77/302,940
  6. Step 6: Final answer
    x = 188,417.30

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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.