Home / 218,585.51-327,370.10-211,008.92

Finding the Fourth Proportional to 218,585.51, 327,370.10 and 211,008.92

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Solution

The fourth proportional to 218,585.51, 327,370.10 and 211,008.92 is: 316,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,585.51 : 327,370.10 = 211,008.92 : x
  2. Step 2: Convert to fraction form
    218,585.51/327,370.10 = 211,008.92/x
  3. Step 3: Cross multiply
    218,585.51x = 327,370.10 × 211,008.92
  4. Step 4: Simplify right side
    218,585.51x = 69,078,011,241.29
  5. Step 5: Solve for x
    x = 69,078,011,241.29/218,585.51
  6. Step 6: Final answer
    x = 316,022.83

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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.