Home / 231,867.20-347,606.40-121,059.20

Finding the Fourth Proportional to 231,867.20, 347,606.40 and 121,059.20

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Solution

The fourth proportional to 231,867.20, 347,606.40 and 121,059.20 is: 181,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,867.20 : 347,606.40 = 121,059.20 : x
  2. Step 2: Convert to fraction form
    231,867.20/347,606.40 = 121,059.20/x
  3. Step 3: Cross multiply
    231,867.20x = 347,606.40 × 121,059.20
  4. Step 4: Simplify right side
    231,867.20x = 42,080,952,698.88
  5. Step 5: Solve for x
    x = 42,080,952,698.88/231,867.20
  6. Step 6: Final answer
    x = 181,487.30

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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.