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Finding the Fourth Proportional to 226,658.04, 312,778.44 and 124,677

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Solution

The fourth proportional to 226,658.04, 312,778.44 and 124,677 is: 172,048.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,658.04 : 312,778.44 = 124,677 : x
  2. Step 2: Convert to fraction form
    226,658.04/312,778.44 = 124,677/x
  3. Step 3: Cross multiply
    226,658.04x = 312,778.44 × 124,677
  4. Step 4: Simplify right side
    226,658.04x = 38,996,277,563.88
  5. Step 5: Solve for x
    x = 38,996,277,563.88/226,658.04
  6. Step 6: Final answer
    x = 172,048.95

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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.