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Finding the Fourth Proportional to 508,108.95, 762,458.58 and 227,626.20

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Solution

The fourth proportional to 508,108.95, 762,458.58 and 227,626.20 is: 341,571.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,108.95 : 762,458.58 = 227,626.20 : x
  2. Step 2: Convert to fraction form
    508,108.95/762,458.58 = 227,626.20/x
  3. Step 3: Cross multiply
    508,108.95x = 762,458.58 × 227,626.20
  4. Step 4: Simplify right side
    508,108.95x = 173,555,545,410.50
  5. Step 5: Solve for x
    x = 173,555,545,410.50/508,108.95
  6. Step 6: Final answer
    x = 341,571.52

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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.