Home / 209,696.55-314,282.52-165,147.36

Finding the Fourth Proportional to 209,696.55, 314,282.52 and 165,147.36

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Solution

The fourth proportional to 209,696.55, 314,282.52 and 165,147.36 is: 247,514.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,696.55 : 314,282.52 = 165,147.36 : x
  2. Step 2: Convert to fraction form
    209,696.55/314,282.52 = 165,147.36/x
  3. Step 3: Cross multiply
    209,696.55x = 314,282.52 × 165,147.36
  4. Step 4: Simplify right side
    209,696.55x = 51,902,928,472.15
  5. Step 5: Solve for x
    x = 51,902,928,472.15/209,696.55
  6. Step 6: Final answer
    x = 247,514.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.