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Finding the Fourth Proportional to 606,758.75, 910,134.88 and 157,479.29

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Solution

The fourth proportional to 606,758.75, 910,134.88 and 157,479.29 is: 236,218.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,758.75 : 910,134.88 = 157,479.29 : x
  2. Step 2: Convert to fraction form
    606,758.75/910,134.88 = 157,479.29/x
  3. Step 3: Cross multiply
    606,758.75x = 910,134.88 × 157,479.29
  4. Step 4: Simplify right side
    606,758.75x = 143,327,394,706.64
  5. Step 5: Solve for x
    x = 143,327,394,706.64/606,758.75
  6. Step 6: Final answer
    x = 236,218.09

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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.