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Finding the Fourth Proportional to 217,330.32, 325,995.66 and 59,559.96

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Solution

The fourth proportional to 217,330.32, 325,995.66 and 59,559.96 is: 89,339.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,330.32 : 325,995.66 = 59,559.96 : x
  2. Step 2: Convert to fraction form
    217,330.32/325,995.66 = 59,559.96/x
  3. Step 3: Cross multiply
    217,330.32x = 325,995.66 × 59,559.96
  4. Step 4: Simplify right side
    217,330.32x = 19,416,288,469.77
  5. Step 5: Solve for x
    x = 19,416,288,469.77/217,330.32
  6. Step 6: Final answer
    x = 89,339.99

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1.5x scale

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.