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Finding the Fourth Proportional to 489,476.87, 734,250.69 and 204,881.19

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Solution

The fourth proportional to 489,476.87, 734,250.69 and 204,881.19 is: 307,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,476.87 : 734,250.69 = 204,881.19 : x
  2. Step 2: Convert to fraction form
    489,476.87/734,250.69 = 204,881.19/x
  3. Step 3: Cross multiply
    489,476.87x = 734,250.69 × 204,881.19
  4. Step 4: Simplify right side
    489,476.87x = 150,434,155,125.52
  5. Step 5: Solve for x
    x = 150,434,155,125.52/489,476.87
  6. Step 6: Final answer
    x = 307,336.60

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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.