Home / 372,189.21-558,287.27-105,949.72

Finding the Fourth Proportional to 372,189.21, 558,287.27 and 105,949.72

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Solution

The fourth proportional to 372,189.21, 558,287.27 and 105,949.72 is: 158,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,189.21 : 558,287.27 = 105,949.72 : x
  2. Step 2: Convert to fraction form
    372,189.21/558,287.27 = 105,949.72/x
  3. Step 3: Cross multiply
    372,189.21x = 558,287.27 × 105,949.72
  4. Step 4: Simplify right side
    372,189.21x = 59,150,377,361.12
  5. Step 5: Solve for x
    x = 59,150,377,361.12/372,189.21
  6. Step 6: Final answer
    x = 158,925.56

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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.