Home / 231,475.55-347,254.79-81,802.73

Finding the Fourth Proportional to 231,475.55, 347,254.79 and 81,802.73

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Solution

The fourth proportional to 231,475.55, 347,254.79 and 81,802.73 is: 122,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,475.55 : 347,254.79 = 81,802.73 : x
  2. Step 2: Convert to fraction form
    231,475.55/347,254.79 = 81,802.73/x
  3. Step 3: Cross multiply
    231,475.55x = 347,254.79 × 81,802.73
  4. Step 4: Simplify right side
    231,475.55x = 28,406,390,286.70
  5. Step 5: Solve for x
    x = 28,406,390,286.70/231,475.55
  6. Step 6: Final answer
    x = 122,718.75

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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.