Home / 218,291.45-301,278.96-126,397.35

Finding the Fourth Proportional to 218,291.45, 301,278.96 and 126,397.35

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Solution

The fourth proportional to 218,291.45, 301,278.96 and 126,397.35 is: 174,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,291.45 : 301,278.96 = 126,397.35 : x
  2. Step 2: Convert to fraction form
    218,291.45/301,278.96 = 126,397.35/x
  3. Step 3: Cross multiply
    218,291.45x = 301,278.96 × 126,397.35
  4. Step 4: Simplify right side
    218,291.45x = 38,080,862,154.76
  5. Step 5: Solve for x
    x = 38,080,862,154.76/218,291.45
  6. Step 6: Final answer
    x = 174,449.63

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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.