Home / 218,110.53-300,869.60-127,447.23

Finding the Fourth Proportional to 218,110.53, 300,869.60 and 127,447.23

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Solution

The fourth proportional to 218,110.53, 300,869.60 and 127,447.23 is: 175,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,110.53 : 300,869.60 = 127,447.23 : x
  2. Step 2: Convert to fraction form
    218,110.53/300,869.60 = 127,447.23/x
  3. Step 3: Cross multiply
    218,110.53x = 300,869.60 × 127,447.23
  4. Step 4: Simplify right side
    218,110.53x = 38,344,996,473.97
  5. Step 5: Solve for x
    x = 38,344,996,473.97/218,110.53
  6. Step 6: Final answer
    x = 175,805.34

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1.5x scale

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.