Home / 396,835.93-547,637.71-215,551.39

Finding the Fourth Proportional to 396,835.93, 547,637.71 and 215,551.39

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Solution

The fourth proportional to 396,835.93, 547,637.71 and 215,551.39 is: 297,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,835.93 : 547,637.71 = 215,551.39 : x
  2. Step 2: Convert to fraction form
    396,835.93/547,637.71 = 215,551.39/x
  3. Step 3: Cross multiply
    396,835.93x = 547,637.71 × 215,551.39
  4. Step 4: Simplify right side
    396,835.93x = 118,044,067,698.94
  5. Step 5: Solve for x
    x = 118,044,067,698.94/396,835.93
  6. Step 6: Final answer
    x = 297,463.16

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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.