Home / 372,266.20-558,399.30-147,680.20

Finding the Fourth Proportional to 372,266.20, 558,399.30 and 147,680.20

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Solution

The fourth proportional to 372,266.20, 558,399.30 and 147,680.20 is: 221,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,266.20 : 558,399.30 = 147,680.20 : x
  2. Step 2: Convert to fraction form
    372,266.20/558,399.30 = 147,680.20/x
  3. Step 3: Cross multiply
    372,266.20x = 558,399.30 × 147,680.20
  4. Step 4: Simplify right side
    372,266.20x = 82,464,520,303.86
  5. Step 5: Solve for x
    x = 82,464,520,303.86/372,266.20
  6. Step 6: Final answer
    x = 221,520.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.