Home / 217,942.62-326,913.45-58,018.59

Finding the Fourth Proportional to 217,942.62, 326,913.45 and 58,018.59

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Solution

The fourth proportional to 217,942.62, 326,913.45 and 58,018.59 is: 87,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,942.62 : 326,913.45 = 58,018.59 : x
  2. Step 2: Convert to fraction form
    217,942.62/326,913.45 = 58,018.59/x
  3. Step 3: Cross multiply
    217,942.62x = 326,913.45 × 58,018.59
  4. Step 4: Simplify right side
    217,942.62x = 18,967,057,421.04
  5. Step 5: Solve for x
    x = 18,967,057,421.04/217,942.62
  6. Step 6: Final answer
    x = 87,027.76

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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.