Home / 453,011.20-679,520.88-137,468.10

Finding the Fourth Proportional to 453,011.20, 679,520.88 and 137,468.10

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Solution

The fourth proportional to 453,011.20, 679,520.88 and 137,468.10 is: 206,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,011.20 : 679,520.88 = 137,468.10 : x
  2. Step 2: Convert to fraction form
    453,011.20/679,520.88 = 137,468.10/x
  3. Step 3: Cross multiply
    453,011.20x = 679,520.88 × 137,468.10
  4. Step 4: Simplify right side
    453,011.20x = 93,412,444,283.93
  5. Step 5: Solve for x
    x = 93,412,444,283.93/453,011.20
  6. Step 6: Final answer
    x = 206,203.39

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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.