Home / 668,082.60-1,002,123.90-194,815.80

Finding the Fourth Proportional to 668,082.60, 1,002,123.90 and 194,815.80

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Solution

The fourth proportional to 668,082.60, 1,002,123.90 and 194,815.80 is: 292,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,082.60 : 1,002,123.90 = 194,815.80 : x
  2. Step 2: Convert to fraction form
    668,082.60/1,002,123.90 = 194,815.80/x
  3. Step 3: Cross multiply
    668,082.60x = 1,002,123.90 × 194,815.80
  4. Step 4: Simplify right side
    668,082.60x = 195,229,569,277.62
  5. Step 5: Solve for x
    x = 195,229,569,277.62/668,082.60
  6. Step 6: Final answer
    x = 292,223.70

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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.