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Finding the Fourth Proportional to 227,579, 314,059.02 and 126,977

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Solution

The fourth proportional to 227,579, 314,059.02 and 126,977 is: 175,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,579 : 314,059.02 = 126,977 : x
  2. Step 2: Convert to fraction form
    227,579/314,059.02 = 126,977/x
  3. Step 3: Cross multiply
    227,579x = 314,059.02 × 126,977
  4. Step 4: Simplify right side
    227,579x = 39,878,272,182.54
  5. Step 5: Solve for x
    x = 39,878,272,182.54/227,579
  6. Step 6: Final answer
    x = 175,228.26

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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.