Home / 668,227.98-1,002,240.08-218,995.50

Finding the Fourth Proportional to 668,227.98, 1,002,240.08 and 218,995.50

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Solution

The fourth proportional to 668,227.98, 1,002,240.08 and 218,995.50 is: 328,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,227.98 : 1,002,240.08 = 218,995.50 : x
  2. Step 2: Convert to fraction form
    668,227.98/1,002,240.08 = 218,995.50/x
  3. Step 3: Cross multiply
    668,227.98x = 1,002,240.08 × 218,995.50
  4. Step 4: Simplify right side
    668,227.98x = 219,486,067,439.64
  5. Step 5: Solve for x
    x = 219,486,067,439.64/668,227.98
  6. Step 6: Final answer
    x = 328,459.86

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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.