Home / 299,445.10-449,167.65-141,981.10

Finding the Fourth Proportional to 299,445.10, 449,167.65 and 141,981.10

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Solution

The fourth proportional to 299,445.10, 449,167.65 and 141,981.10 is: 212,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,445.10 : 449,167.65 = 141,981.10 : x
  2. Step 2: Convert to fraction form
    299,445.10/449,167.65 = 141,981.10/x
  3. Step 3: Cross multiply
    299,445.10x = 449,167.65 × 141,981.10
  4. Step 4: Simplify right side
    299,445.10x = 63,773,317,031.42
  5. Step 5: Solve for x
    x = 63,773,317,031.42/299,445.10
  6. Step 6: Final answer
    x = 212,971.65

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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.