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Finding the Fourth Proportional to 269,695.84, 404,609.62 and 89,780.91

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Solution

The fourth proportional to 269,695.84, 404,609.62 and 89,780.91 is: 134,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,695.84 : 404,609.62 = 89,780.91 : x
  2. Step 2: Convert to fraction form
    269,695.84/404,609.62 = 89,780.91/x
  3. Step 3: Cross multiply
    269,695.84x = 404,609.62 × 89,780.91
  4. Step 4: Simplify right side
    269,695.84x = 36,326,221,592.59
  5. Step 5: Solve for x
    x = 36,326,221,592.59/269,695.84
  6. Step 6: Final answer
    x = 134,693.30

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1.5x scale

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.