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Finding the Fourth Proportional to 225,252, 310,847.76 and 124,665.12

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Solution

The fourth proportional to 225,252, 310,847.76 and 124,665.12 is: 172,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,252 : 310,847.76 = 124,665.12 : x
  2. Step 2: Convert to fraction form
    225,252/310,847.76 = 124,665.12/x
  3. Step 3: Cross multiply
    225,252x = 310,847.76 × 124,665.12
  4. Step 4: Simplify right side
    225,252x = 38,751,873,302.13
  5. Step 5: Solve for x
    x = 38,751,873,302.13/225,252
  6. Step 6: Final answer
    x = 172,037.87

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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.