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Finding the Fourth Proportional to 484,150.80, 726,226.20 and 372,176.40

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Solution

The fourth proportional to 484,150.80, 726,226.20 and 372,176.40 is: 558,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,150.80 : 726,226.20 = 372,176.40 : x
  2. Step 2: Convert to fraction form
    484,150.80/726,226.20 = 372,176.40/x
  3. Step 3: Cross multiply
    484,150.80x = 726,226.20 × 372,176.40
  4. Step 4: Simplify right side
    484,150.80x = 270,284,252,701.68
  5. Step 5: Solve for x
    x = 270,284,252,701.68/484,150.80
  6. Step 6: Final answer
    x = 558,264.60

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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.