Home / 227,971.16-341,885.67-85,836.21

Finding the Fourth Proportional to 227,971.16, 341,885.67 and 85,836.21

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Solution

The fourth proportional to 227,971.16, 341,885.67 and 85,836.21 is: 128,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,971.16 : 341,885.67 = 85,836.21 : x
  2. Step 2: Convert to fraction form
    227,971.16/341,885.67 = 85,836.21/x
  3. Step 3: Cross multiply
    227,971.16x = 341,885.67 × 85,836.21
  4. Step 4: Simplify right side
    227,971.16x = 29,346,169,736.93
  5. Step 5: Solve for x
    x = 29,346,169,736.93/227,971.16
  6. Step 6: Final answer
    x = 128,727.55

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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.