Home / 287,722.54-397,058.79-166,935.73

Finding the Fourth Proportional to 287,722.54, 397,058.79 and 166,935.73

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Solution

The fourth proportional to 287,722.54, 397,058.79 and 166,935.73 is: 230,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,722.54 : 397,058.79 = 166,935.73 : x
  2. Step 2: Convert to fraction form
    287,722.54/397,058.79 = 166,935.73/x
  3. Step 3: Cross multiply
    287,722.54x = 397,058.79 × 166,935.73
  4. Step 4: Simplify right side
    287,722.54x = 66,283,298,961.57
  5. Step 5: Solve for x
    x = 66,283,298,961.57/287,722.54
  6. Step 6: Final answer
    x = 230,372.28

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1.5x scale

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.