Home / 452,910.15-679,321.35-137,369.79

Finding the Fourth Proportional to 452,910.15, 679,321.35 and 137,369.79

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Solution

The fourth proportional to 452,910.15, 679,321.35 and 137,369.79 is: 206,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,910.15 : 679,321.35 = 137,369.79 : x
  2. Step 2: Convert to fraction form
    452,910.15/679,321.35 = 137,369.79/x
  3. Step 3: Cross multiply
    452,910.15x = 679,321.35 × 137,369.79
  4. Step 4: Simplify right side
    452,910.15x = 93,318,231,192.02
  5. Step 5: Solve for x
    x = 93,318,231,192.02/452,910.15
  6. Step 6: Final answer
    x = 206,041.38

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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.