Home / 377,629.17-521,139.33-205,558.36

Finding the Fourth Proportional to 377,629.17, 521,139.33 and 205,558.36

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Solution

The fourth proportional to 377,629.17, 521,139.33 and 205,558.36 is: 283,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,629.17 : 521,139.33 = 205,558.36 : x
  2. Step 2: Convert to fraction form
    377,629.17/521,139.33 = 205,558.36/x
  3. Step 3: Cross multiply
    377,629.17x = 521,139.33 × 205,558.36
  4. Step 4: Simplify right side
    377,629.17x = 107,124,544,703.45
  5. Step 5: Solve for x
    x = 107,124,544,703.45/377,629.17
  6. Step 6: Final answer
    x = 283,676.56

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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.