Home / 430,865.80-646,593.96-150,383.04

Finding the Fourth Proportional to 430,865.80, 646,593.96 and 150,383.04

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Solution

The fourth proportional to 430,865.80, 646,593.96 and 150,383.04 is: 225,677.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,865.80 : 646,593.96 = 150,383.04 : x
  2. Step 2: Convert to fraction form
    430,865.80/646,593.96 = 150,383.04/x
  3. Step 3: Cross multiply
    430,865.80x = 646,593.96 × 150,383.04
  4. Step 4: Simplify right side
    430,865.80x = 97,236,765,350.44
  5. Step 5: Solve for x
    x = 97,236,765,350.44/430,865.80
  6. Step 6: Final answer
    x = 225,677.61

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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.