Home / 420,213.06-630,358.11-167,432.22

Finding the Fourth Proportional to 420,213.06, 630,358.11 and 167,432.22

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Solution

The fourth proportional to 420,213.06, 630,358.11 and 167,432.22 is: 251,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,213.06 : 630,358.11 = 167,432.22 : x
  2. Step 2: Convert to fraction form
    420,213.06/630,358.11 = 167,432.22/x
  3. Step 3: Cross multiply
    420,213.06x = 630,358.11 × 167,432.22
  4. Step 4: Simplify right side
    420,213.06x = 105,542,257,752.30
  5. Step 5: Solve for x
    x = 105,542,257,752.30/420,213.06
  6. Step 6: Final answer
    x = 251,163.68

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1.5x scale

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.