Home / 443,799.26-612,445.78-239,849.70

Finding the Fourth Proportional to 443,799.26, 612,445.78 and 239,849.70

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Solution

The fourth proportional to 443,799.26, 612,445.78 and 239,849.70 is: 330,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,799.26 : 612,445.78 = 239,849.70 : x
  2. Step 2: Convert to fraction form
    443,799.26/612,445.78 = 239,849.70/x
  3. Step 3: Cross multiply
    443,799.26x = 612,445.78 × 239,849.70
  4. Step 4: Simplify right side
    443,799.26x = 146,894,936,899.08
  5. Step 5: Solve for x
    x = 146,894,936,899.08/443,799.26
  6. Step 6: Final answer
    x = 330,994.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.