Home / 360,972.26-498,145.66-199,830

Finding the Fourth Proportional to 360,972.26, 498,145.66 and 199,830

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Solution

The fourth proportional to 360,972.26, 498,145.66 and 199,830 is: 275,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,972.26 : 498,145.66 = 199,830 : x
  2. Step 2: Convert to fraction form
    360,972.26/498,145.66 = 199,830/x
  3. Step 3: Cross multiply
    360,972.26x = 498,145.66 × 199,830
  4. Step 4: Simplify right side
    360,972.26x = 99,544,447,237.80
  5. Step 5: Solve for x
    x = 99,544,447,237.80/360,972.26
  6. Step 6: Final answer
    x = 275,767.58

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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.