Home / 218,412.38-301,325.33-135,587.52

Finding the Fourth Proportional to 218,412.38, 301,325.33 and 135,587.52

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Solution

The fourth proportional to 218,412.38, 301,325.33 and 135,587.52 is: 187,058.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,412.38 : 301,325.33 = 135,587.52 : x
  2. Step 2: Convert to fraction form
    218,412.38/301,325.33 = 135,587.52/x
  3. Step 3: Cross multiply
    218,412.38x = 301,325.33 × 135,587.52
  4. Step 4: Simplify right side
    218,412.38x = 40,855,952,023.32
  5. Step 5: Solve for x
    x = 40,855,952,023.32/218,412.38
  6. Step 6: Final answer
    x = 187,058.78

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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.