Home / 454,396.05-681,594.08-138,850.22

Finding the Fourth Proportional to 454,396.05, 681,594.08 and 138,850.22

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Solution

The fourth proportional to 454,396.05, 681,594.08 and 138,850.22 is: 208,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,396.05 : 681,594.08 = 138,850.22 : x
  2. Step 2: Convert to fraction form
    454,396.05/681,594.08 = 138,850.22/x
  3. Step 3: Cross multiply
    454,396.05x = 681,594.08 × 138,850.22
  4. Step 4: Simplify right side
    454,396.05x = 94,639,488,968.43
  5. Step 5: Solve for x
    x = 94,639,488,968.43/454,396.05
  6. Step 6: Final answer
    x = 208,275.33

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Similar ratio
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1.5x scale

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.