Home / 231,458.29-347,296.62-81,769.08

Finding the Fourth Proportional to 231,458.29, 347,296.62 and 81,769.08

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Solution

The fourth proportional to 231,458.29, 347,296.62 and 81,769.08 is: 122,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,458.29 : 347,296.62 = 81,769.08 : x
  2. Step 2: Convert to fraction form
    231,458.29/347,296.62 = 81,769.08/x
  3. Step 3: Cross multiply
    231,458.29x = 347,296.62 × 81,769.08
  4. Step 4: Simplify right side
    231,458.29x = 28,398,125,104.51
  5. Step 5: Solve for x
    x = 28,398,125,104.51/231,458.29
  6. Step 6: Final answer
    x = 122,692.19

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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.