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Finding the Fourth Proportional to 275,667.52, 413,238.64 and 88,547.68

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Solution

The fourth proportional to 275,667.52, 413,238.64 and 88,547.68 is: 132,737.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,667.52 : 413,238.64 = 88,547.68 : x
  2. Step 2: Convert to fraction form
    275,667.52/413,238.64 = 88,547.68/x
  3. Step 3: Cross multiply
    275,667.52x = 413,238.64 × 88,547.68
  4. Step 4: Simplify right side
    275,667.52x = 36,591,322,858.36
  5. Step 5: Solve for x
    x = 36,591,322,858.36/275,667.52
  6. Step 6: Final answer
    x = 132,737.16

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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.