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Finding the Fourth Proportional to 308,294.03, 425,058.62 and 235,785.87

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Solution

The fourth proportional to 308,294.03, 425,058.62 and 235,785.87 is: 325,088.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,294.03 : 425,058.62 = 235,785.87 : x
  2. Step 2: Convert to fraction form
    308,294.03/425,058.62 = 235,785.87/x
  3. Step 3: Cross multiply
    308,294.03x = 425,058.62 × 235,785.87
  4. Step 4: Simplify right side
    308,294.03x = 100,222,816,517.70
  5. Step 5: Solve for x
    x = 100,222,816,517.70/308,294.03
  6. Step 6: Final answer
    x = 325,088.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.