Home / 331,933.11-497,899.97-142,270.40

Finding the Fourth Proportional to 331,933.11, 497,899.97 and 142,270.40

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Solution

The fourth proportional to 331,933.11, 497,899.97 and 142,270.40 is: 213,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,933.11 : 497,899.97 = 142,270.40 : x
  2. Step 2: Convert to fraction form
    331,933.11/497,899.97 = 142,270.40/x
  3. Step 3: Cross multiply
    331,933.11x = 497,899.97 × 142,270.40
  4. Step 4: Simplify right side
    331,933.11x = 70,836,424,691.04
  5. Step 5: Solve for x
    x = 70,836,424,691.04/331,933.11
  6. Step 6: Final answer
    x = 213,405.72

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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.