Home / 283,189.46-390,793.29-155,862.32

Finding the Fourth Proportional to 283,189.46, 390,793.29 and 155,862.32

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Solution

The fourth proportional to 283,189.46, 390,793.29 and 155,862.32 is: 215,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,189.46 : 390,793.29 = 155,862.32 : x
  2. Step 2: Convert to fraction form
    283,189.46/390,793.29 = 155,862.32/x
  3. Step 3: Cross multiply
    283,189.46x = 390,793.29 × 155,862.32
  4. Step 4: Simplify right side
    283,189.46x = 60,909,948,819.83
  5. Step 5: Solve for x
    x = 60,909,948,819.83/283,189.46
  6. Step 6: Final answer
    x = 215,085.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.