Home / 270,729.08-373,432.84-217,142.72

Finding the Fourth Proportional to 270,729.08, 373,432.84 and 217,142.72

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Solution

The fourth proportional to 270,729.08, 373,432.84 and 217,142.72 is: 299,517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,729.08 : 373,432.84 = 217,142.72 : x
  2. Step 2: Convert to fraction form
    270,729.08/373,432.84 = 217,142.72/x
  3. Step 3: Cross multiply
    270,729.08x = 373,432.84 × 217,142.72
  4. Step 4: Simplify right side
    270,729.08x = 81,088,222,614.92
  5. Step 5: Solve for x
    x = 81,088,222,614.92/270,729.08
  6. Step 6: Final answer
    x = 299,517.96

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1.5x scale

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.