Home / 209,664.48-314,234.19-165,115.29

Finding the Fourth Proportional to 209,664.48, 314,234.19 and 165,115.29

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Solution

The fourth proportional to 209,664.48, 314,234.19 and 165,115.29 is: 247,466.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,664.48 : 314,234.19 = 165,115.29 : x
  2. Step 2: Convert to fraction form
    209,664.48/314,234.19 = 165,115.29/x
  3. Step 3: Cross multiply
    209,664.48x = 314,234.19 × 165,115.29
  4. Step 4: Simplify right side
    209,664.48x = 51,884,869,409.77
  5. Step 5: Solve for x
    x = 51,884,869,409.77/209,664.48
  6. Step 6: Final answer
    x = 247,466.19

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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.