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Finding the Fourth Proportional to 484,672.10, 726,716.55 and 248,476.10

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Solution

The fourth proportional to 484,672.10, 726,716.55 and 248,476.10 is: 372,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,672.10 : 726,716.55 = 248,476.10 : x
  2. Step 2: Convert to fraction form
    484,672.10/726,716.55 = 248,476.10/x
  3. Step 3: Cross multiply
    484,672.10x = 726,716.55 × 248,476.10
  4. Step 4: Simplify right side
    484,672.10x = 180,571,694,149.46
  5. Step 5: Solve for x
    x = 180,571,694,149.46/484,672.10
  6. Step 6: Final answer
    x = 372,564.66

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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.