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Finding the Fourth Proportional to 245,757.75, 368,695.13 and 79,545.75

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Solution

The fourth proportional to 245,757.75, 368,695.13 and 79,545.75 is: 119,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,757.75 : 368,695.13 = 79,545.75 : x
  2. Step 2: Convert to fraction form
    245,757.75/368,695.13 = 79,545.75/x
  3. Step 3: Cross multiply
    245,757.75x = 368,695.13 × 79,545.75
  4. Step 4: Simplify right side
    245,757.75x = 29,328,130,239.47
  5. Step 5: Solve for x
    x = 29,328,130,239.47/245,757.75
  6. Step 6: Final answer
    x = 119,337.56

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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.