Home / 214,943.40-322,415.10-57,187.80

Finding the Fourth Proportional to 214,943.40, 322,415.10 and 57,187.80

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Solution

The fourth proportional to 214,943.40, 322,415.10 and 57,187.80 is: 85,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,943.40 : 322,415.10 = 57,187.80 : x
  2. Step 2: Convert to fraction form
    214,943.40/322,415.10 = 57,187.80/x
  3. Step 3: Cross multiply
    214,943.40x = 322,415.10 × 57,187.80
  4. Step 4: Simplify right side
    214,943.40x = 18,438,210,255.78
  5. Step 5: Solve for x
    x = 18,438,210,255.78/214,943.40
  6. Step 6: Final answer
    x = 85,781.70

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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.