Home / 231,283.38-347,056.29-91,140.42

Finding the Fourth Proportional to 231,283.38, 347,056.29 and 91,140.42

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Solution

The fourth proportional to 231,283.38, 347,056.29 and 91,140.42 is: 136,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,283.38 : 347,056.29 = 91,140.42 : x
  2. Step 2: Convert to fraction form
    231,283.38/347,056.29 = 91,140.42/x
  3. Step 3: Cross multiply
    231,283.38x = 347,056.29 × 91,140.42
  4. Step 4: Simplify right side
    231,283.38x = 31,630,856,034.24
  5. Step 5: Solve for x
    x = 31,630,856,034.24/231,283.38
  6. Step 6: Final answer
    x = 136,762.34

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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.