Home / 260,531.02-390,983.17-110,876.43

Finding the Fourth Proportional to 260,531.02, 390,983.17 and 110,876.43

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Solution

The fourth proportional to 260,531.02, 390,983.17 and 110,876.43 is: 166,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,531.02 : 390,983.17 = 110,876.43 : x
  2. Step 2: Convert to fraction form
    260,531.02/390,983.17 = 110,876.43/x
  3. Step 3: Cross multiply
    260,531.02x = 390,983.17 × 110,876.43
  4. Step 4: Simplify right side
    260,531.02x = 43,350,819,476.57
  5. Step 5: Solve for x
    x = 43,350,819,476.57/260,531.02
  6. Step 6: Final answer
    x = 166,394.08

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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.