Home / 231,381.45-347,004.09-104,948.55

Finding the Fourth Proportional to 231,381.45, 347,004.09 and 104,948.55

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Solution

The fourth proportional to 231,381.45, 347,004.09 and 104,948.55 is: 157,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,381.45 : 347,004.09 = 104,948.55 : x
  2. Step 2: Convert to fraction form
    231,381.45/347,004.09 = 104,948.55/x
  3. Step 3: Cross multiply
    231,381.45x = 347,004.09 × 104,948.55
  4. Step 4: Simplify right side
    231,381.45x = 36,417,576,089.57
  5. Step 5: Solve for x
    x = 36,417,576,089.57/231,381.45
  6. Step 6: Final answer
    x = 157,391.94

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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.