Home / 482,322.60-723,743.10-201,868.20

Finding the Fourth Proportional to 482,322.60, 723,743.10 and 201,868.20

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Solution

The fourth proportional to 482,322.60, 723,743.10 and 201,868.20 is: 302,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,322.60 : 723,743.10 = 201,868.20 : x
  2. Step 2: Convert to fraction form
    482,322.60/723,743.10 = 201,868.20/x
  3. Step 3: Cross multiply
    482,322.60x = 723,743.10 × 201,868.20
  4. Step 4: Simplify right side
    482,322.60x = 146,100,716,859.42
  5. Step 5: Solve for x
    x = 146,100,716,859.42/482,322.60
  6. Step 6: Final answer
    x = 302,910.78

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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.