Home / 360,981.17-498,137.86-199,824.83

Finding the Fourth Proportional to 360,981.17, 498,137.86 and 199,824.83

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Solution

The fourth proportional to 360,981.17, 498,137.86 and 199,824.83 is: 275,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,981.17 : 498,137.86 = 199,824.83 : x
  2. Step 2: Convert to fraction form
    360,981.17/498,137.86 = 199,824.83/x
  3. Step 3: Cross multiply
    360,981.17x = 498,137.86 × 199,824.83
  4. Step 4: Simplify right side
    360,981.17x = 99,540,313,191.06
  5. Step 5: Solve for x
    x = 99,540,313,191.06/360,981.17
  6. Step 6: Final answer
    x = 275,749.32

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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.