Home / 668,091.41-1,002,290.21-218,837.87

Finding the Fourth Proportional to 668,091.41, 1,002,290.21 and 218,837.87

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Solution

The fourth proportional to 668,091.41, 1,002,290.21 and 218,837.87 is: 328,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,091.41 : 1,002,290.21 = 218,837.87 : x
  2. Step 2: Convert to fraction form
    668,091.41/1,002,290.21 = 218,837.87/x
  3. Step 3: Cross multiply
    668,091.41x = 1,002,290.21 × 218,837.87
  4. Step 4: Simplify right side
    668,091.41x = 219,339,048,572.61
  5. Step 5: Solve for x
    x = 219,339,048,572.61/668,091.41
  6. Step 6: Final answer
    x = 328,306.95

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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.