Home / 231,746.20-347,619.30-181,979.80

Finding the Fourth Proportional to 231,746.20, 347,619.30 and 181,979.80

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Solution

The fourth proportional to 231,746.20, 347,619.30 and 181,979.80 is: 272,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,746.20 : 347,619.30 = 181,979.80 : x
  2. Step 2: Convert to fraction form
    231,746.20/347,619.30 = 181,979.80/x
  3. Step 3: Cross multiply
    231,746.20x = 347,619.30 × 181,979.80
  4. Step 4: Simplify right side
    231,746.20x = 63,259,690,690.14
  5. Step 5: Solve for x
    x = 63,259,690,690.14/231,746.20
  6. Step 6: Final answer
    x = 272,969.70

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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.