Home / 209,662.48-314,231.19-165,113.29

Finding the Fourth Proportional to 209,662.48, 314,231.19 and 165,113.29

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Solution

The fourth proportional to 209,662.48, 314,231.19 and 165,113.29 is: 247,463.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,662.48 : 314,231.19 = 165,113.29 : x
  2. Step 2: Convert to fraction form
    209,662.48/314,231.19 = 165,113.29/x
  3. Step 3: Cross multiply
    209,662.48x = 314,231.19 × 165,113.29
  4. Step 4: Simplify right side
    209,662.48x = 51,883,745,601.52
  5. Step 5: Solve for x
    x = 51,883,745,601.52/209,662.48
  6. Step 6: Final answer
    x = 247,463.19

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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.