Home / 465,134.40-641,955.38-283,951.58

Finding the Fourth Proportional to 465,134.40, 641,955.38 and 283,951.58

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Solution

The fourth proportional to 465,134.40, 641,955.38 and 283,951.58 is: 391,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,134.40 : 641,955.38 = 283,951.58 : x
  2. Step 2: Convert to fraction form
    465,134.40/641,955.38 = 283,951.58/x
  3. Step 3: Cross multiply
    465,134.40x = 641,955.38 × 283,951.58
  4. Step 4: Simplify right side
    465,134.40x = 182,284,239,810.97
  5. Step 5: Solve for x
    x = 182,284,239,810.97/465,134.40
  6. Step 6: Final answer
    x = 391,895.85

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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.