Home / 217,821.60-326,582.55-110,998.80

Finding the Fourth Proportional to 217,821.60, 326,582.55 and 110,998.80

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Solution

The fourth proportional to 217,821.60, 326,582.55 and 110,998.80 is: 166,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,821.60 : 326,582.55 = 110,998.80 : x
  2. Step 2: Convert to fraction form
    217,821.60/326,582.55 = 110,998.80/x
  3. Step 3: Cross multiply
    217,821.60x = 326,582.55 × 110,998.80
  4. Step 4: Simplify right side
    217,821.60x = 36,250,271,150.94
  5. Step 5: Solve for x
    x = 36,250,271,150.94/217,821.60
  6. Step 6: Final answer
    x = 166,421.84

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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.