Home / 231,817.60-347,726.40-113,564.80

Finding the Fourth Proportional to 231,817.60, 347,726.40 and 113,564.80

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Solution

The fourth proportional to 231,817.60, 347,726.40 and 113,564.80 is: 170,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,817.60 : 347,726.40 = 113,564.80 : x
  2. Step 2: Convert to fraction form
    231,817.60/347,726.40 = 113,564.80/x
  3. Step 3: Cross multiply
    231,817.60x = 347,726.40 × 113,564.80
  4. Step 4: Simplify right side
    231,817.60x = 39,489,479,070.72
  5. Step 5: Solve for x
    x = 39,489,479,070.72/231,817.60
  6. Step 6: Final answer
    x = 170,347.20

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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.