Home / 381,176.26-526,009.89-211,426.18

Finding the Fourth Proportional to 381,176.26, 526,009.89 and 211,426.18

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Solution

The fourth proportional to 381,176.26, 526,009.89 and 211,426.18 is: 291,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,176.26 : 526,009.89 = 211,426.18 : x
  2. Step 2: Convert to fraction form
    381,176.26/526,009.89 = 211,426.18/x
  3. Step 3: Cross multiply
    381,176.26x = 526,009.89 × 211,426.18
  4. Step 4: Simplify right side
    381,176.26x = 111,212,261,684.92
  5. Step 5: Solve for x
    x = 111,212,261,684.92/381,176.26
  6. Step 6: Final answer
    x = 291,760.72

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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.