Home / 324,877.14-486,988.47-135,442.35

Finding the Fourth Proportional to 324,877.14, 486,988.47 and 135,442.35

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Solution

The fourth proportional to 324,877.14, 486,988.47 and 135,442.35 is: 203,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,877.14 : 486,988.47 = 135,442.35 : x
  2. Step 2: Convert to fraction form
    324,877.14/486,988.47 = 135,442.35/x
  3. Step 3: Cross multiply
    324,877.14x = 486,988.47 × 135,442.35
  4. Step 4: Simplify right side
    324,877.14x = 65,958,862,799.70
  5. Step 5: Solve for x
    x = 65,958,862,799.70/324,877.14
  6. Step 6: Final answer
    x = 203,027.10

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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.