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Finding the Fourth Proportional to 172,454.77, 258,595.20 and 52,488.71

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Solution

The fourth proportional to 172,454.77, 258,595.20 and 52,488.71 is: 78,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,454.77 : 258,595.20 = 52,488.71 : x
  2. Step 2: Convert to fraction form
    172,454.77/258,595.20 = 52,488.71/x
  3. Step 3: Cross multiply
    172,454.77x = 258,595.20 × 52,488.71
  4. Step 4: Simplify right side
    172,454.77x = 13,573,327,167.22
  5. Step 5: Solve for x
    x = 13,573,327,167.22/172,454.77
  6. Step 6: Final answer
    x = 78,706.59

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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.