Home / 231,686.33-347,539.28-81,927.86

Finding the Fourth Proportional to 231,686.33, 347,539.28 and 81,927.86

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Solution

The fourth proportional to 231,686.33, 347,539.28 and 81,927.86 is: 122,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,686.33 : 347,539.28 = 81,927.86 : x
  2. Step 2: Convert to fraction form
    231,686.33/347,539.28 = 81,927.86/x
  3. Step 3: Cross multiply
    231,686.33x = 347,539.28 × 81,927.86
  4. Step 4: Simplify right side
    231,686.33x = 28,473,147,329.01
  5. Step 5: Solve for x
    x = 28,473,147,329.01/231,686.33
  6. Step 6: Final answer
    x = 122,895.24

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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.