Home / 217,707.12-326,581.20-84,597.66

Finding the Fourth Proportional to 217,707.12, 326,581.20 and 84,597.66

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Solution

The fourth proportional to 217,707.12, 326,581.20 and 84,597.66 is: 126,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,707.12 : 326,581.20 = 84,597.66 : x
  2. Step 2: Convert to fraction form
    217,707.12/326,581.20 = 84,597.66/x
  3. Step 3: Cross multiply
    217,707.12x = 326,581.20 × 84,597.66
  4. Step 4: Simplify right side
    217,707.12x = 27,628,005,319.99
  5. Step 5: Solve for x
    x = 27,628,005,319.99/217,707.12
  6. Step 6: Final answer
    x = 126,904.46

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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.