Home / 377,940.07-521,558.02-205,857.50

Finding the Fourth Proportional to 377,940.07, 521,558.02 and 205,857.50

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Solution

The fourth proportional to 377,940.07, 521,558.02 and 205,857.50 is: 284,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,940.07 : 521,558.02 = 205,857.50 : x
  2. Step 2: Convert to fraction form
    377,940.07/521,558.02 = 205,857.50/x
  3. Step 3: Cross multiply
    377,940.07x = 521,558.02 × 205,857.50
  4. Step 4: Simplify right side
    377,940.07x = 107,366,629,913.48
  5. Step 5: Solve for x
    x = 107,366,629,913.48/377,940.07
  6. Step 6: Final answer
    x = 284,083.75

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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.