Home / 327,925.07-491,840.84-103,279.64

Finding the Fourth Proportional to 327,925.07, 491,840.84 and 103,279.64

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Solution

The fourth proportional to 327,925.07, 491,840.84 and 103,279.64 is: 154,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,925.07 : 491,840.84 = 103,279.64 : x
  2. Step 2: Convert to fraction form
    327,925.07/491,840.84 = 103,279.64/x
  3. Step 3: Cross multiply
    327,925.07x = 491,840.84 × 103,279.64
  4. Step 4: Simplify right side
    327,925.07x = 50,797,141,916.90
  5. Step 5: Solve for x
    x = 50,797,141,916.90/327,925.07
  6. Step 6: Final answer
    x = 154,904.72

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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.