Home / 453,719.12-680,526.83-121,321.04

Finding the Fourth Proportional to 453,719.12, 680,526.83 and 121,321.04

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Solution

The fourth proportional to 453,719.12, 680,526.83 and 121,321.04 is: 181,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,719.12 : 680,526.83 = 121,321.04 : x
  2. Step 2: Convert to fraction form
    453,719.12/680,526.83 = 121,321.04/x
  3. Step 3: Cross multiply
    453,719.12x = 680,526.83 × 121,321.04
  4. Step 4: Simplify right side
    453,719.12x = 82,562,218,754.26
  5. Step 5: Solve for x
    x = 82,562,218,754.26/453,719.12
  6. Step 6: Final answer
    x = 181,967.69

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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.