Home / 399,116.10-598,674.15-132,885.30

Finding the Fourth Proportional to 399,116.10, 598,674.15 and 132,885.30

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Solution

The fourth proportional to 399,116.10, 598,674.15 and 132,885.30 is: 199,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,116.10 : 598,674.15 = 132,885.30 : x
  2. Step 2: Convert to fraction form
    399,116.10/598,674.15 = 132,885.30/x
  3. Step 3: Cross multiply
    399,116.10x = 598,674.15 × 132,885.30
  4. Step 4: Simplify right side
    399,116.10x = 79,554,994,025.00
  5. Step 5: Solve for x
    x = 79,554,994,025.00/399,116.10
  6. Step 6: Final answer
    x = 199,327.95

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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.