Home / 469,132.75-647,399.55-254,267.29

Finding the Fourth Proportional to 469,132.75, 647,399.55 and 254,267.29

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Solution

The fourth proportional to 469,132.75, 647,399.55 and 254,267.29 is: 350,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,132.75 : 647,399.55 = 254,267.29 : x
  2. Step 2: Convert to fraction form
    469,132.75/647,399.55 = 254,267.29/x
  3. Step 3: Cross multiply
    469,132.75x = 647,399.55 × 254,267.29
  4. Step 4: Simplify right side
    469,132.75x = 164,612,529,125.72
  5. Step 5: Solve for x
    x = 164,612,529,125.72/469,132.75
  6. Step 6: Final answer
    x = 350,886.88

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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.