Home / 217,607.80-326,407.38-143,197.96

Finding the Fourth Proportional to 217,607.80, 326,407.38 and 143,197.96

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Solution

The fourth proportional to 217,607.80, 326,407.38 and 143,197.96 is: 214,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,607.80 : 326,407.38 = 143,197.96 : x
  2. Step 2: Convert to fraction form
    217,607.80/326,407.38 = 143,197.96/x
  3. Step 3: Cross multiply
    217,607.80x = 326,407.38 × 143,197.96
  4. Step 4: Simplify right side
    217,607.80x = 46,740,870,944.94
  5. Step 5: Solve for x
    x = 46,740,870,944.94/217,607.80
  6. Step 6: Final answer
    x = 214,794.10

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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.