Home / 209,264.85-288,772.56-117,379.08

Finding the Fourth Proportional to 209,264.85, 288,772.56 and 117,379.08

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Solution

The fourth proportional to 209,264.85, 288,772.56 and 117,379.08 is: 161,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,264.85 : 288,772.56 = 117,379.08 : x
  2. Step 2: Convert to fraction form
    209,264.85/288,772.56 = 117,379.08/x
  3. Step 3: Cross multiply
    209,264.85x = 288,772.56 × 117,379.08
  4. Step 4: Simplify right side
    209,264.85x = 33,895,857,422.04
  5. Step 5: Solve for x
    x = 33,895,857,422.04/209,264.85
  6. Step 6: Final answer
    x = 161,975.88

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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.