Home / 217,521.39-326,297.64-91,034.28

Finding the Fourth Proportional to 217,521.39, 326,297.64 and 91,034.28

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Solution

The fourth proportional to 217,521.39, 326,297.64 and 91,034.28 is: 136,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,521.39 : 326,297.64 = 91,034.28 : x
  2. Step 2: Convert to fraction form
    217,521.39/326,297.64 = 91,034.28/x
  3. Step 3: Cross multiply
    217,521.39x = 326,297.64 × 91,034.28
  4. Step 4: Simplify right side
    217,521.39x = 29,704,270,723.10
  5. Step 5: Solve for x
    x = 29,704,270,723.10/217,521.39
  6. Step 6: Final answer
    x = 136,557.93

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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.