Home / 220,853.04-331,279.56-145,955.58

Finding the Fourth Proportional to 220,853.04, 331,279.56 and 145,955.58

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Solution

The fourth proportional to 220,853.04, 331,279.56 and 145,955.58 is: 218,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,853.04 : 331,279.56 = 145,955.58 : x
  2. Step 2: Convert to fraction form
    220,853.04/331,279.56 = 145,955.58/x
  3. Step 3: Cross multiply
    220,853.04x = 331,279.56 × 145,955.58
  4. Step 4: Simplify right side
    220,853.04x = 48,352,100,321.94
  5. Step 5: Solve for x
    x = 48,352,100,321.94/220,853.04
  6. Step 6: Final answer
    x = 218,933.37

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1.5x scale

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.