Home / 199,404.24-298,994.28-66,213.20

Finding the Fourth Proportional to 199,404.24, 298,994.28 and 66,213.20

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Solution

The fourth proportional to 199,404.24, 298,994.28 and 66,213.20 is: 99,282.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,404.24 : 298,994.28 = 66,213.20 : x
  2. Step 2: Convert to fraction form
    199,404.24/298,994.28 = 66,213.20/x
  3. Step 3: Cross multiply
    199,404.24x = 298,994.28 × 66,213.20
  4. Step 4: Simplify right side
    199,404.24x = 19,797,368,060.50
  5. Step 5: Solve for x
    x = 19,797,368,060.50/199,404.24
  6. Step 6: Final answer
    x = 99,282.58

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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.