Home / 217,429.28-326,154.16-179,408.01

Finding the Fourth Proportional to 217,429.28, 326,154.16 and 179,408.01

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Solution

The fourth proportional to 217,429.28, 326,154.16 and 179,408.01 is: 269,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,429.28 : 326,154.16 = 179,408.01 : x
  2. Step 2: Convert to fraction form
    217,429.28/326,154.16 = 179,408.01/x
  3. Step 3: Cross multiply
    217,429.28x = 326,154.16 × 179,408.01
  4. Step 4: Simplify right side
    217,429.28x = 58,514,670,246.16
  5. Step 5: Solve for x
    x = 58,514,670,246.16/217,429.28
  6. Step 6: Final answer
    x = 269,120.47

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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.