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Finding the Fourth Proportional to 438,599.92, 605,255.88 and 247,631.08

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Solution

The fourth proportional to 438,599.92, 605,255.88 and 247,631.08 is: 341,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,599.92 : 605,255.88 = 247,631.08 : x
  2. Step 2: Convert to fraction form
    438,599.92/605,255.88 = 247,631.08/x
  3. Step 3: Cross multiply
    438,599.92x = 605,255.88 × 247,631.08
  4. Step 4: Simplify right side
    438,599.92x = 149,880,167,240.75
  5. Step 5: Solve for x
    x = 149,880,167,240.75/438,599.92
  6. Step 6: Final answer
    x = 341,724.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.