Home / 377,857.02-521,432.54-205,771.56

Finding the Fourth Proportional to 377,857.02, 521,432.54 and 205,771.56

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Solution

The fourth proportional to 377,857.02, 521,432.54 and 205,771.56 is: 283,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,857.02 : 521,432.54 = 205,771.56 : x
  2. Step 2: Convert to fraction form
    377,857.02/521,432.54 = 205,771.56/x
  3. Step 3: Cross multiply
    377,857.02x = 521,432.54 × 205,771.56
  4. Step 4: Simplify right side
    377,857.02x = 107,295,987,190.56
  5. Step 5: Solve for x
    x = 107,295,987,190.56/377,857.02
  6. Step 6: Final answer
    x = 283,959.23

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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.