Home / 372,183.80-558,405.30-161,886.20

Finding the Fourth Proportional to 372,183.80, 558,405.30 and 161,886.20

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Solution

The fourth proportional to 372,183.80, 558,405.30 and 161,886.20 is: 242,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,183.80 : 558,405.30 = 161,886.20 : x
  2. Step 2: Convert to fraction form
    372,183.80/558,405.30 = 161,886.20/x
  3. Step 3: Cross multiply
    372,183.80x = 558,405.30 × 161,886.20
  4. Step 4: Simplify right side
    372,183.80x = 90,398,112,076.86
  5. Step 5: Solve for x
    x = 90,398,112,076.86/372,183.80
  6. Step 6: Final answer
    x = 242,885.67

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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.