Home / 668,279.80-1,002,458.10-195,038.20

Finding the Fourth Proportional to 668,279.80, 1,002,458.10 and 195,038.20

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Solution

The fourth proportional to 668,279.80, 1,002,458.10 and 195,038.20 is: 292,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,279.80 : 1,002,458.10 = 195,038.20 : x
  2. Step 2: Convert to fraction form
    668,279.80/1,002,458.10 = 195,038.20/x
  3. Step 3: Cross multiply
    668,279.80x = 1,002,458.10 × 195,038.20
  4. Step 4: Simplify right side
    668,279.80x = 195,517,623,399.42
  5. Step 5: Solve for x
    x = 195,517,623,399.42/668,279.80
  6. Step 6: Final answer
    x = 292,568.51

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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.