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Finding the Fourth Proportional to 225,252.64, 337,878.69 and 103,660.93

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Solution

The fourth proportional to 225,252.64, 337,878.69 and 103,660.93 is: 155,491.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,252.64 : 337,878.69 = 103,660.93 : x
  2. Step 2: Convert to fraction form
    225,252.64/337,878.69 = 103,660.93/x
  3. Step 3: Cross multiply
    225,252.64x = 337,878.69 × 103,660.93
  4. Step 4: Simplify right side
    225,252.64x = 35,024,819,232.58
  5. Step 5: Solve for x
    x = 35,024,819,232.58/225,252.64
  6. Step 6: Final answer
    x = 155,491.27

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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.