Home / 453,013.07-679,523.70-137,469.98

Finding the Fourth Proportional to 453,013.07, 679,523.70 and 137,469.98

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Solution

The fourth proportional to 453,013.07, 679,523.70 and 137,469.98 is: 206,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,013.07 : 679,523.70 = 137,469.98 : x
  2. Step 2: Convert to fraction form
    453,013.07/679,523.70 = 137,469.98/x
  3. Step 3: Cross multiply
    453,013.07x = 679,523.70 × 137,469.98
  4. Step 4: Simplify right side
    453,013.07x = 93,414,107,067.26
  5. Step 5: Solve for x
    x = 93,414,107,067.26/453,013.07
  6. Step 6: Final answer
    x = 206,206.21

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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.