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Finding the Fourth Proportional to 225,251.64, 337,877.19 and 103,659.93

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Solution

The fourth proportional to 225,251.64, 337,877.19 and 103,659.93 is: 155,489.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,251.64 : 337,877.19 = 103,659.93 : x
  2. Step 2: Convert to fraction form
    225,251.64/337,877.19 = 103,659.93/x
  3. Step 3: Cross multiply
    225,251.64x = 337,877.19 × 103,659.93
  4. Step 4: Simplify right side
    225,251.64x = 35,024,325,864.00
  5. Step 5: Solve for x
    x = 35,024,325,864.00/225,251.64
  6. Step 6: Final answer
    x = 155,489.77

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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.