Home / 217,788.93-326,245.99-99,297.27

Finding the Fourth Proportional to 217,788.93, 326,245.99 and 99,297.27

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Solution

The fourth proportional to 217,788.93, 326,245.99 and 99,297.27 is: 148,746.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,788.93 : 326,245.99 = 99,297.27 : x
  2. Step 2: Convert to fraction form
    217,788.93/326,245.99 = 99,297.27/x
  3. Step 3: Cross multiply
    217,788.93x = 326,245.99 × 99,297.27
  4. Step 4: Simplify right side
    217,788.93x = 32,395,336,155.45
  5. Step 5: Solve for x
    x = 32,395,336,155.45/217,788.93
  6. Step 6: Final answer
    x = 148,746.48

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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.