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Finding the Fourth Proportional to 425,980.64, 587,850 and 235,002.08

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Solution

The fourth proportional to 425,980.64, 587,850 and 235,002.08 is: 324,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,980.64 : 587,850 = 235,002.08 : x
  2. Step 2: Convert to fraction form
    425,980.64/587,850 = 235,002.08/x
  3. Step 3: Cross multiply
    425,980.64x = 587,850 × 235,002.08
  4. Step 4: Simplify right side
    425,980.64x = 138,145,972,728
  5. Step 5: Solve for x
    x = 138,145,972,728/425,980.64
  6. Step 6: Final answer
    x = 324,301.06

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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.