Home / 231,641.68-319,670.04-180,711.96

Finding the Fourth Proportional to 231,641.68, 319,670.04 and 180,711.96

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Solution

The fourth proportional to 231,641.68, 319,670.04 and 180,711.96 is: 249,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,641.68 : 319,670.04 = 180,711.96 : x
  2. Step 2: Convert to fraction form
    231,641.68/319,670.04 = 180,711.96/x
  3. Step 3: Cross multiply
    231,641.68x = 319,670.04 × 180,711.96
  4. Step 4: Simplify right side
    231,641.68x = 57,768,199,481.68
  5. Step 5: Solve for x
    x = 57,768,199,481.68/231,641.68
  6. Step 6: Final answer
    x = 249,386.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.