Home / 217,795.23-326,705.13-77,553.86

Finding the Fourth Proportional to 217,795.23, 326,705.13 and 77,553.86

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Solution

The fourth proportional to 217,795.23, 326,705.13 and 77,553.86 is: 116,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,795.23 : 326,705.13 = 77,553.86 : x
  2. Step 2: Convert to fraction form
    217,795.23/326,705.13 = 77,553.86/x
  3. Step 3: Cross multiply
    217,795.23x = 326,705.13 × 77,553.86
  4. Step 4: Simplify right side
    217,795.23x = 25,337,242,279.78
  5. Step 5: Solve for x
    x = 25,337,242,279.78/217,795.23
  6. Step 6: Final answer
    x = 116,335.16

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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.