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Finding the Fourth Proportional to 338,124.60, 466,626.48 and 187,221.60

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Solution

The fourth proportional to 338,124.60, 466,626.48 and 187,221.60 is: 258,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,124.60 : 466,626.48 = 187,221.60 : x
  2. Step 2: Convert to fraction form
    338,124.60/466,626.48 = 187,221.60/x
  3. Step 3: Cross multiply
    338,124.60x = 466,626.48 × 187,221.60
  4. Step 4: Simplify right side
    338,124.60x = 87,362,556,187.97
  5. Step 5: Solve for x
    x = 87,362,556,187.97/338,124.60
  6. Step 6: Final answer
    x = 258,373.85

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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.