Home / 345,555.38-517,660.56-195,341.29

Finding the Fourth Proportional to 345,555.38, 517,660.56 and 195,341.29

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Solution

The fourth proportional to 345,555.38, 517,660.56 and 195,341.29 is: 292,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,555.38 : 517,660.56 = 195,341.29 : x
  2. Step 2: Convert to fraction form
    345,555.38/517,660.56 = 195,341.29/x
  3. Step 3: Cross multiply
    345,555.38x = 517,660.56 × 195,341.29
  4. Step 4: Simplify right side
    345,555.38x = 101,120,480,278.37
  5. Step 5: Solve for x
    x = 101,120,480,278.37/345,555.38
  6. Step 6: Final answer
    x = 292,631.76

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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.