Home / 425,414.91-587,065.02-231,824.31

Finding the Fourth Proportional to 425,414.91, 587,065.02 and 231,824.31

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Solution

The fourth proportional to 425,414.91, 587,065.02 and 231,824.31 is: 319,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,414.91 : 587,065.02 = 231,824.31 : x
  2. Step 2: Convert to fraction form
    425,414.91/587,065.02 = 231,824.31/x
  3. Step 3: Cross multiply
    425,414.91x = 587,065.02 × 231,824.31
  4. Step 4: Simplify right side
    425,414.91x = 136,095,943,186.64
  5. Step 5: Solve for x
    x = 136,095,943,186.64/425,414.91
  6. Step 6: Final answer
    x = 319,913.43

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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.