Home / 217,572.21-326,374.11-91,085.24

Finding the Fourth Proportional to 217,572.21, 326,374.11 and 91,085.24

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Solution

The fourth proportional to 217,572.21, 326,374.11 and 91,085.24 is: 136,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,572.21 : 326,374.11 = 91,085.24 : x
  2. Step 2: Convert to fraction form
    217,572.21/326,374.11 = 91,085.24/x
  3. Step 3: Cross multiply
    217,572.21x = 326,374.11 × 91,085.24
  4. Step 4: Simplify right side
    217,572.21x = 29,727,862,507.27
  5. Step 5: Solve for x
    x = 29,727,862,507.27/217,572.21
  6. Step 6: Final answer
    x = 136,634.46

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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.