Home / 454,344.45-681,523.80-134,528.78

Finding the Fourth Proportional to 454,344.45, 681,523.80 and 134,528.78

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Solution

The fourth proportional to 454,344.45, 681,523.80 and 134,528.78 is: 201,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,344.45 : 681,523.80 = 134,528.78 : x
  2. Step 2: Convert to fraction form
    454,344.45/681,523.80 = 134,528.78/x
  3. Step 3: Cross multiply
    454,344.45x = 681,523.80 × 134,528.78
  4. Step 4: Simplify right side
    454,344.45x = 91,684,561,947.35
  5. Step 5: Solve for x
    x = 91,684,561,947.35/454,344.45
  6. Step 6: Final answer
    x = 201,795.27

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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.