Home / 323,742.10-485,613.15-181,441.30

Finding the Fourth Proportional to 323,742.10, 485,613.15 and 181,441.30

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Solution

The fourth proportional to 323,742.10, 485,613.15 and 181,441.30 is: 272,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,742.10 : 485,613.15 = 181,441.30 : x
  2. Step 2: Convert to fraction form
    323,742.10/485,613.15 = 181,441.30/x
  3. Step 3: Cross multiply
    323,742.10x = 485,613.15 × 181,441.30
  4. Step 4: Simplify right side
    323,742.10x = 88,110,281,233.10
  5. Step 5: Solve for x
    x = 88,110,281,233.10/323,742.10
  6. Step 6: Final answer
    x = 272,161.95

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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.