Home / 453,711.18-680,514.92-121,313.10

Finding the Fourth Proportional to 453,711.18, 680,514.92 and 121,313.10

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Solution

The fourth proportional to 453,711.18, 680,514.92 and 121,313.10 is: 181,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,711.18 : 680,514.92 = 121,313.10 : x
  2. Step 2: Convert to fraction form
    453,711.18/680,514.92 = 121,313.10/x
  3. Step 3: Cross multiply
    453,711.18x = 680,514.92 × 121,313.10
  4. Step 4: Simplify right side
    453,711.18x = 82,555,374,541.45
  5. Step 5: Solve for x
    x = 82,555,374,541.45/453,711.18
  6. Step 6: Final answer
    x = 181,955.79

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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.