Home / 371,849.47-512,977.25-269,650.76

Finding the Fourth Proportional to 371,849.47, 512,977.25 and 269,650.76

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Solution

The fourth proportional to 371,849.47, 512,977.25 and 269,650.76 is: 371,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,849.47 : 512,977.25 = 269,650.76 : x
  2. Step 2: Convert to fraction form
    371,849.47/512,977.25 = 269,650.76/x
  3. Step 3: Cross multiply
    371,849.47x = 512,977.25 × 269,650.76
  4. Step 4: Simplify right side
    371,849.47x = 138,324,703,434.45
  5. Step 5: Solve for x
    x = 138,324,703,434.45/371,849.47
  6. Step 6: Final answer
    x = 371,991.13

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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.