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Finding the Fourth Proportional to 227,930.51, 314,528.37 and 125,955

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Solution

The fourth proportional to 227,930.51, 314,528.37 and 125,955 is: 173,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,930.51 : 314,528.37 = 125,955 : x
  2. Step 2: Convert to fraction form
    227,930.51/314,528.37 = 125,955/x
  3. Step 3: Cross multiply
    227,930.51x = 314,528.37 × 125,955
  4. Step 4: Simplify right side
    227,930.51x = 39,616,420,371.02
  5. Step 5: Solve for x
    x = 39,616,420,371.02/227,930.51
  6. Step 6: Final answer
    x = 173,809.21

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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.