Home / 220,720.56-331,079.10-146,174.32

Finding the Fourth Proportional to 220,720.56, 331,079.10 and 146,174.32

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Solution

The fourth proportional to 220,720.56, 331,079.10 and 146,174.32 is: 219,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,720.56 : 331,079.10 = 146,174.32 : x
  2. Step 2: Convert to fraction form
    220,720.56/331,079.10 = 146,174.32/x
  3. Step 3: Cross multiply
    220,720.56x = 331,079.10 × 146,174.32
  4. Step 4: Simplify right side
    220,720.56x = 48,395,262,308.71
  5. Step 5: Solve for x
    x = 48,395,262,308.71/220,720.56
  6. Step 6: Final answer
    x = 219,260.33

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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.