Home / 218,023.85-300,955.13-127,409.27

Finding the Fourth Proportional to 218,023.85, 300,955.13 and 127,409.27

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Solution

The fourth proportional to 218,023.85, 300,955.13 and 127,409.27 is: 175,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,023.85 : 300,955.13 = 127,409.27 : x
  2. Step 2: Convert to fraction form
    218,023.85/300,955.13 = 127,409.27/x
  3. Step 3: Cross multiply
    218,023.85x = 300,955.13 × 127,409.27
  4. Step 4: Simplify right side
    218,023.85x = 38,344,472,541.31
  5. Step 5: Solve for x
    x = 38,344,472,541.31/218,023.85
  6. Step 6: Final answer
    x = 175,872.83

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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.