Home / 378,204.02-521,912.55-206,127.41

Finding the Fourth Proportional to 378,204.02, 521,912.55 and 206,127.41

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Solution

The fourth proportional to 378,204.02, 521,912.55 and 206,127.41 is: 284,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,204.02 : 521,912.55 = 206,127.41 : x
  2. Step 2: Convert to fraction form
    378,204.02/521,912.55 = 206,127.41/x
  3. Step 3: Cross multiply
    378,204.02x = 521,912.55 × 206,127.41
  4. Step 4: Simplify right side
    378,204.02x = 107,580,483,482.78
  5. Step 5: Solve for x
    x = 107,580,483,482.78/378,204.02
  6. Step 6: Final answer
    x = 284,450.93

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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.