Home / 372,452.16-513,984-202,682.56

Finding the Fourth Proportional to 372,452.16, 513,984 and 202,682.56

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Solution

The fourth proportional to 372,452.16, 513,984 and 202,682.56 is: 279,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,452.16 : 513,984 = 202,682.56 : x
  2. Step 2: Convert to fraction form
    372,452.16/513,984 = 202,682.56/x
  3. Step 3: Cross multiply
    372,452.16x = 513,984 × 202,682.56
  4. Step 4: Simplify right side
    372,452.16x = 104,175,592,919.04
  5. Step 5: Solve for x
    x = 104,175,592,919.04/372,452.16
  6. Step 6: Final answer
    x = 279,701.94

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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.