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Finding the Fourth Proportional to 360,981.88, 498,148.74 and 199,833.40

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Solution

The fourth proportional to 360,981.88, 498,148.74 and 199,833.40 is: 275,766.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,981.88 : 498,148.74 = 199,833.40 : x
  2. Step 2: Convert to fraction form
    360,981.88/498,148.74 = 199,833.40/x
  3. Step 3: Cross multiply
    360,981.88x = 498,148.74 × 199,833.40
  4. Step 4: Simplify right side
    360,981.88x = 99,546,756,419.92
  5. Step 5: Solve for x
    x = 99,546,756,419.92/360,981.88
  6. Step 6: Final answer
    x = 275,766.63

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1.5x scale

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.