Home / 442,904.28-663,357.48-205,747.89

Finding the Fourth Proportional to 442,904.28, 663,357.48 and 205,747.89

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Solution

The fourth proportional to 442,904.28, 663,357.48 and 205,747.89 is: 308,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,904.28 : 663,357.48 = 205,747.89 : x
  2. Step 2: Convert to fraction form
    442,904.28/663,357.48 = 205,747.89/x
  3. Step 3: Cross multiply
    442,904.28x = 663,357.48 × 205,747.89
  4. Step 4: Simplify right side
    442,904.28x = 136,484,401,825.72
  5. Step 5: Solve for x
    x = 136,484,401,825.72/442,904.28
  6. Step 6: Final answer
    x = 308,157.78

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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.