Home / 449,944.47-675,248.27-213,286.23

Finding the Fourth Proportional to 449,944.47, 675,248.27 and 213,286.23

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Solution

The fourth proportional to 449,944.47, 675,248.27 and 213,286.23 is: 320,086.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,944.47 : 675,248.27 = 213,286.23 : x
  2. Step 2: Convert to fraction form
    449,944.47/675,248.27 = 213,286.23/x
  3. Step 3: Cross multiply
    449,944.47x = 675,248.27 × 213,286.23
  4. Step 4: Simplify right side
    449,944.47x = 144,021,156,755.89
  5. Step 5: Solve for x
    x = 144,021,156,755.89/449,944.47
  6. Step 6: Final answer
    x = 320,086.51

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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.