Home / 377,918.70-521,527.77-208,152.83

Finding the Fourth Proportional to 377,918.70, 521,527.77 and 208,152.83

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Solution

The fourth proportional to 377,918.70, 521,527.77 and 208,152.83 is: 287,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,918.70 : 521,527.77 = 208,152.83 : x
  2. Step 2: Convert to fraction form
    377,918.70/521,527.77 = 208,152.83/x
  3. Step 3: Cross multiply
    377,918.70x = 521,527.77 × 208,152.83
  4. Step 4: Simplify right side
    377,918.70x = 108,557,481,249.09
  5. Step 5: Solve for x
    x = 108,557,481,249.09/377,918.70
  6. Step 6: Final answer
    x = 287,250.89

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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.