Home / 377,941.95-521,560.60-205,859.39

Finding the Fourth Proportional to 377,941.95, 521,560.60 and 205,859.39

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Solution

The fourth proportional to 377,941.95, 521,560.60 and 205,859.39 is: 284,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,941.95 : 521,560.60 = 205,859.39 : x
  2. Step 2: Convert to fraction form
    377,941.95/521,560.60 = 205,859.39/x
  3. Step 3: Cross multiply
    377,941.95x = 521,560.60 × 205,859.39
  4. Step 4: Simplify right side
    377,941.95x = 107,368,143,841.58
  5. Step 5: Solve for x
    x = 107,368,143,841.58/377,941.95
  6. Step 6: Final answer
    x = 284,086.34

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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.