Home / 630,049.28-945,077.36-156,734.64

Finding the Fourth Proportional to 630,049.28, 945,077.36 and 156,734.64

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Solution

The fourth proportional to 630,049.28, 945,077.36 and 156,734.64 is: 235,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,049.28 : 945,077.36 = 156,734.64 : x
  2. Step 2: Convert to fraction form
    630,049.28/945,077.36 = 156,734.64/x
  3. Step 3: Cross multiply
    630,049.28x = 945,077.36 × 156,734.64
  4. Step 4: Simplify right side
    630,049.28x = 148,126,359,791.75
  5. Step 5: Solve for x
    x = 148,126,359,791.75/630,049.28
  6. Step 6: Final answer
    x = 235,102.82

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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.