Home / 454,830.60-682,634.70-202,499.40

Finding the Fourth Proportional to 454,830.60, 682,634.70 and 202,499.40

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Solution

The fourth proportional to 454,830.60, 682,634.70 and 202,499.40 is: 303,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,830.60 : 682,634.70 = 202,499.40 : x
  2. Step 2: Convert to fraction form
    454,830.60/682,634.70 = 202,499.40/x
  3. Step 3: Cross multiply
    454,830.60x = 682,634.70 × 202,499.40
  4. Step 4: Simplify right side
    454,830.60x = 138,233,117,169.18
  5. Step 5: Solve for x
    x = 138,233,117,169.18/454,830.60
  6. Step 6: Final answer
    x = 303,922.20

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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.