Home / 375,320.43-517,947.35-205,555.77

Finding the Fourth Proportional to 375,320.43, 517,947.35 and 205,555.77

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Solution

The fourth proportional to 375,320.43, 517,947.35 and 205,555.77 is: 283,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,320.43 : 517,947.35 = 205,555.77 : x
  2. Step 2: Convert to fraction form
    375,320.43/517,947.35 = 205,555.77/x
  3. Step 3: Cross multiply
    375,320.43x = 517,947.35 × 205,555.77
  4. Step 4: Simplify right side
    375,320.43x = 106,467,065,320.93
  5. Step 5: Solve for x
    x = 106,467,065,320.93/375,320.43
  6. Step 6: Final answer
    x = 283,669.78

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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.