Home / 377,661.96-521,184.40-205,591.07

Finding the Fourth Proportional to 377,661.96, 521,184.40 and 205,591.07

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Solution

The fourth proportional to 377,661.96, 521,184.40 and 205,591.07 is: 283,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,661.96 : 521,184.40 = 205,591.07 : x
  2. Step 2: Convert to fraction form
    377,661.96/521,184.40 = 205,591.07/x
  3. Step 3: Cross multiply
    377,661.96x = 521,184.40 × 205,591.07
  4. Step 4: Simplify right side
    377,661.96x = 107,150,859,252.29
  5. Step 5: Solve for x
    x = 107,150,859,252.29/377,661.96
  6. Step 6: Final answer
    x = 283,721.61

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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.