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Finding the Fourth Proportional to 225,162.72, 337,780.56 and 84,933.60

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Solution

The fourth proportional to 225,162.72, 337,780.56 and 84,933.60 is: 127,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,162.72 : 337,780.56 = 84,933.60 : x
  2. Step 2: Convert to fraction form
    225,162.72/337,780.56 = 84,933.60/x
  3. Step 3: Cross multiply
    225,162.72x = 337,780.56 × 84,933.60
  4. Step 4: Simplify right side
    225,162.72x = 28,688,918,970.82
  5. Step 5: Solve for x
    x = 28,688,918,970.82/225,162.72
  6. Step 6: Final answer
    x = 127,414.16

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1.5x scale

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.