Home / 217,748.20-326,538.06-84,610.93

Finding the Fourth Proportional to 217,748.20, 326,538.06 and 84,610.93

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Solution

The fourth proportional to 217,748.20, 326,538.06 and 84,610.93 is: 126,883.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,748.20 : 326,538.06 = 84,610.93 : x
  2. Step 2: Convert to fraction form
    217,748.20/326,538.06 = 84,610.93/x
  3. Step 3: Cross multiply
    217,748.20x = 326,538.06 × 84,610.93
  4. Step 4: Simplify right side
    217,748.20x = 27,628,688,937.00
  5. Step 5: Solve for x
    x = 27,628,688,937.00/217,748.20
  6. Step 6: Final answer
    x = 126,883.66

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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.