Home / 360,981.67-498,138.55-199,825.33

Finding the Fourth Proportional to 360,981.67, 498,138.55 and 199,825.33

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Solution

The fourth proportional to 360,981.67, 498,138.55 and 199,825.33 is: 275,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,981.67 : 498,138.55 = 199,825.33 : x
  2. Step 2: Convert to fraction form
    360,981.67/498,138.55 = 199,825.33/x
  3. Step 3: Cross multiply
    360,981.67x = 498,138.55 × 199,825.33
  4. Step 4: Simplify right side
    360,981.67x = 99,540,700,139.47
  5. Step 5: Solve for x
    x = 99,540,700,139.47/360,981.67
  6. Step 6: Final answer
    x = 275,750.01

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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.