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Finding the Fourth Proportional to 225,699, 338,569.02 and 59,487

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Solution

The fourth proportional to 225,699, 338,569.02 and 59,487 is: 89,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,699 : 338,569.02 = 59,487 : x
  2. Step 2: Convert to fraction form
    225,699/338,569.02 = 59,487/x
  3. Step 3: Cross multiply
    225,699x = 338,569.02 × 59,487
  4. Step 4: Simplify right side
    225,699x = 20,140,455,292.74
  5. Step 5: Solve for x
    x = 20,140,455,292.74/225,699
  6. Step 6: Final answer
    x = 89,235.91

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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.