Home / 377,724.29-521,262.65-205,643.43

Finding the Fourth Proportional to 377,724.29, 521,262.65 and 205,643.43

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Solution

The fourth proportional to 377,724.29, 521,262.65 and 205,643.43 is: 283,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,724.29 : 521,262.65 = 205,643.43 : x
  2. Step 2: Convert to fraction form
    377,724.29/521,262.65 = 205,643.43/x
  3. Step 3: Cross multiply
    377,724.29x = 521,262.65 × 205,643.43
  4. Step 4: Simplify right side
    377,724.29x = 107,194,239,791.00
  5. Step 5: Solve for x
    x = 107,194,239,791.00/377,724.29
  6. Step 6: Final answer
    x = 283,789.64

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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.