Home / 381,719.50-526,837.73-220,667.92

Finding the Fourth Proportional to 381,719.50, 526,837.73 and 220,667.92

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Solution

The fourth proportional to 381,719.50, 526,837.73 and 220,667.92 is: 304,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,719.50 : 526,837.73 = 220,667.92 : x
  2. Step 2: Convert to fraction form
    381,719.50/526,837.73 = 220,667.92/x
  3. Step 3: Cross multiply
    381,719.50x = 526,837.73 × 220,667.92
  4. Step 4: Simplify right side
    381,719.50x = 116,256,186,056.62
  5. Step 5: Solve for x
    x = 116,256,186,056.62/381,719.50
  6. Step 6: Final answer
    x = 304,559.20

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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.