Home / 217,609.15-326,460.37-65,793.25

Finding the Fourth Proportional to 217,609.15, 326,460.37 and 65,793.25

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Solution

The fourth proportional to 217,609.15, 326,460.37 and 65,793.25 is: 98,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,609.15 : 326,460.37 = 65,793.25 : x
  2. Step 2: Convert to fraction form
    217,609.15/326,460.37 = 65,793.25/x
  3. Step 3: Cross multiply
    217,609.15x = 326,460.37 × 65,793.25
  4. Step 4: Simplify right side
    217,609.15x = 21,478,889,105.46
  5. Step 5: Solve for x
    x = 21,478,889,105.46/217,609.15
  6. Step 6: Final answer
    x = 98,703.98

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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.