Home / 208,914.97-288,309.27-118,269.29

Finding the Fourth Proportional to 208,914.97, 288,309.27 and 118,269.29

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Solution

The fourth proportional to 208,914.97, 288,309.27 and 118,269.29 is: 163,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,914.97 : 288,309.27 = 118,269.29 : x
  2. Step 2: Convert to fraction form
    208,914.97/288,309.27 = 118,269.29/x
  3. Step 3: Cross multiply
    208,914.97x = 288,309.27 × 118,269.29
  4. Step 4: Simplify right side
    208,914.97x = 34,098,132,663.32
  5. Step 5: Solve for x
    x = 34,098,132,663.32/208,914.97
  6. Step 6: Final answer
    x = 163,215.36

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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.