Home / 209,346.97-288,963.86-166,402.66

Finding the Fourth Proportional to 209,346.97, 288,963.86 and 166,402.66

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Solution

The fourth proportional to 209,346.97, 288,963.86 and 166,402.66 is: 229,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,346.97 : 288,963.86 = 166,402.66 : x
  2. Step 2: Convert to fraction form
    209,346.97/288,963.86 = 166,402.66/x
  3. Step 3: Cross multiply
    209,346.97x = 288,963.86 × 166,402.66
  4. Step 4: Simplify right side
    209,346.97x = 48,084,353,393.44
  5. Step 5: Solve for x
    x = 48,084,353,393.44/209,346.97
  6. Step 6: Final answer
    x = 229,687.37

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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.