Home / 227,731.79-314,311.25-135,857.14

Finding the Fourth Proportional to 227,731.79, 314,311.25 and 135,857.14

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Solution

The fourth proportional to 227,731.79, 314,311.25 and 135,857.14 is: 187,507.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,731.79 : 314,311.25 = 135,857.14 : x
  2. Step 2: Convert to fraction form
    227,731.79/314,311.25 = 135,857.14/x
  3. Step 3: Cross multiply
    227,731.79x = 314,311.25 × 135,857.14
  4. Step 4: Simplify right side
    227,731.79x = 42,701,427,494.83
  5. Step 5: Solve for x
    x = 42,701,427,494.83/227,731.79
  6. Step 6: Final answer
    x = 187,507.54

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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.