Home / 217,784.05-326,717.39-75,623.79

Finding the Fourth Proportional to 217,784.05, 326,717.39 and 75,623.79

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Solution

The fourth proportional to 217,784.05, 326,717.39 and 75,623.79 is: 113,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,784.05 : 326,717.39 = 75,623.79 : x
  2. Step 2: Convert to fraction form
    217,784.05/326,717.39 = 75,623.79/x
  3. Step 3: Cross multiply
    217,784.05x = 326,717.39 × 75,623.79
  4. Step 4: Simplify right side
    217,784.05x = 24,707,607,290.71
  5. Step 5: Solve for x
    x = 24,707,607,290.71/217,784.05
  6. Step 6: Final answer
    x = 113,450.03

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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.