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Finding the Fourth Proportional to 606,617.30, 909,947.82 and 227,499.64

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Solution

The fourth proportional to 606,617.30, 909,947.82 and 227,499.64 is: 341,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,617.30 : 909,947.82 = 227,499.64 : x
  2. Step 2: Convert to fraction form
    606,617.30/909,947.82 = 227,499.64/x
  3. Step 3: Cross multiply
    606,617.30x = 909,947.82 × 227,499.64
  4. Step 4: Simplify right side
    606,617.30x = 207,012,800,047.04
  5. Step 5: Solve for x
    x = 207,012,800,047.04/606,617.30
  6. Step 6: Final answer
    x = 341,257.66

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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.