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Finding the Fourth Proportional to 270,156.94, 404,873.18 and 210,257.76

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Solution

The fourth proportional to 270,156.94, 404,873.18 and 210,257.76 is: 315,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,156.94 : 404,873.18 = 210,257.76 : x
  2. Step 2: Convert to fraction form
    270,156.94/404,873.18 = 210,257.76/x
  3. Step 3: Cross multiply
    270,156.94x = 404,873.18 × 210,257.76
  4. Step 4: Simplify right side
    270,156.94x = 85,127,727,910.88
  5. Step 5: Solve for x
    x = 85,127,727,910.88/270,156.94
  6. Step 6: Final answer
    x = 315,104.72

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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.