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Finding the Fourth Proportional to 610,468.97, 915,578.75 and 231,258.96

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Solution

The fourth proportional to 610,468.97, 915,578.75 and 231,258.96 is: 346,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,468.97 : 915,578.75 = 231,258.96 : x
  2. Step 2: Convert to fraction form
    610,468.97/915,578.75 = 231,258.96/x
  3. Step 3: Cross multiply
    610,468.97x = 915,578.75 × 231,258.96
  4. Step 4: Simplify right side
    610,468.97x = 211,735,789,523.10
  5. Step 5: Solve for x
    x = 211,735,789,523.10/610,468.97
  6. Step 6: Final answer
    x = 346,841.20

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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.