Home / 214,711.40-322,067.10-134,877.80

Finding the Fourth Proportional to 214,711.40, 322,067.10 and 134,877.80

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Solution

The fourth proportional to 214,711.40, 322,067.10 and 134,877.80 is: 202,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,711.40 : 322,067.10 = 134,877.80 : x
  2. Step 2: Convert to fraction form
    214,711.40/322,067.10 = 134,877.80/x
  3. Step 3: Cross multiply
    214,711.40x = 322,067.10 × 134,877.80
  4. Step 4: Simplify right side
    214,711.40x = 43,439,701,900.38
  5. Step 5: Solve for x
    x = 43,439,701,900.38/214,711.40
  6. Step 6: Final answer
    x = 202,316.70

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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.