Home / 377,944.76-521,564.49-205,862.20

Finding the Fourth Proportional to 377,944.76, 521,564.49 and 205,862.20

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Solution

The fourth proportional to 377,944.76, 521,564.49 and 205,862.20 is: 284,090.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,944.76 : 521,564.49 = 205,862.20 : x
  2. Step 2: Convert to fraction form
    377,944.76/521,564.49 = 205,862.20/x
  3. Step 3: Cross multiply
    377,944.76x = 521,564.49 × 205,862.20
  4. Step 4: Simplify right side
    377,944.76x = 107,370,412,049.37
  5. Step 5: Solve for x
    x = 107,370,412,049.37/377,944.76
  6. Step 6: Final answer
    x = 284,090.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.