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Finding the Fourth Proportional to 217,449.02, 325,858.74 and 149,911.74

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Solution

The fourth proportional to 217,449.02, 325,858.74 and 149,911.74 is: 224,650.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,449.02 : 325,858.74 = 149,911.74 : x
  2. Step 2: Convert to fraction form
    217,449.02/325,858.74 = 149,911.74/x
  3. Step 3: Cross multiply
    217,449.02x = 325,858.74 × 149,911.74
  4. Step 4: Simplify right side
    217,449.02x = 48,850,050,707.61
  5. Step 5: Solve for x
    x = 48,850,050,707.61/217,449.02
  6. Step 6: Final answer
    x = 224,650.59

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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.