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Finding the Fourth Proportional to 324,269.36, 486,452.64 and 113,870.24

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Solution

The fourth proportional to 324,269.36, 486,452.64 and 113,870.24 is: 170,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,269.36 : 486,452.64 = 113,870.24 : x
  2. Step 2: Convert to fraction form
    324,269.36/486,452.64 = 113,870.24/x
  3. Step 3: Cross multiply
    324,269.36x = 486,452.64 × 113,870.24
  4. Step 4: Simplify right side
    324,269.36x = 55,392,478,865.43
  5. Step 5: Solve for x
    x = 55,392,478,865.43/324,269.36
  6. Step 6: Final answer
    x = 170,822.43

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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.