Home / 452,731.80-679,097.70-137,204.40

Finding the Fourth Proportional to 452,731.80, 679,097.70 and 137,204.40

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Solution

The fourth proportional to 452,731.80, 679,097.70 and 137,204.40 is: 205,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,731.80 : 679,097.70 = 137,204.40 : x
  2. Step 2: Convert to fraction form
    452,731.80/679,097.70 = 137,204.40/x
  3. Step 3: Cross multiply
    452,731.80x = 679,097.70 × 137,204.40
  4. Step 4: Simplify right side
    452,731.80x = 93,175,192,469.88
  5. Step 5: Solve for x
    x = 93,175,192,469.88/452,731.80
  6. Step 6: Final answer
    x = 205,806.60

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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.