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Finding the Fourth Proportional to 344,875.84, 517,335.64 and 108,227.88

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Solution

The fourth proportional to 344,875.84, 517,335.64 and 108,227.88 is: 162,348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,875.84 : 517,335.64 = 108,227.88 : x
  2. Step 2: Convert to fraction form
    344,875.84/517,335.64 = 108,227.88/x
  3. Step 3: Cross multiply
    344,875.84x = 517,335.64 × 108,227.88
  4. Step 4: Simplify right side
    344,875.84x = 55,990,139,565.64
  5. Step 5: Solve for x
    x = 55,990,139,565.64/344,875.84
  6. Step 6: Final answer
    x = 162,348.69

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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.