Home / 452,776.80-679,263.18-137,257.50

Finding the Fourth Proportional to 452,776.80, 679,263.18 and 137,257.50

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Solution

The fourth proportional to 452,776.80, 679,263.18 and 137,257.50 is: 205,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,776.80 : 679,263.18 = 137,257.50 : x
  2. Step 2: Convert to fraction form
    452,776.80/679,263.18 = 137,257.50/x
  3. Step 3: Cross multiply
    452,776.80x = 679,263.18 × 137,257.50
  4. Step 4: Simplify right side
    452,776.80x = 93,233,965,928.85
  5. Step 5: Solve for x
    x = 93,233,965,928.85/452,776.80
  6. Step 6: Final answer
    x = 205,915.95

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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.