Home / 389,869.56-584,825.22-123,650.28

Finding the Fourth Proportional to 389,869.56, 584,825.22 and 123,650.28

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Solution

The fourth proportional to 389,869.56, 584,825.22 and 123,650.28 is: 185,482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,869.56 : 584,825.22 = 123,650.28 : x
  2. Step 2: Convert to fraction form
    389,869.56/584,825.22 = 123,650.28/x
  3. Step 3: Cross multiply
    389,869.56x = 584,825.22 × 123,650.28
  4. Step 4: Simplify right side
    389,869.56x = 72,313,802,204.06
  5. Step 5: Solve for x
    x = 72,313,802,204.06/389,869.56
  6. Step 6: Final answer
    x = 185,482.04

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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.