Home / 396,901.22-547,727.47-215,614.51

Finding the Fourth Proportional to 396,901.22, 547,727.47 and 215,614.51

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Solution

The fourth proportional to 396,901.22, 547,727.47 and 215,614.51 is: 297,550.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,901.22 : 547,727.47 = 215,614.51 : x
  2. Step 2: Convert to fraction form
    396,901.22/547,727.47 = 215,614.51/x
  3. Step 3: Cross multiply
    396,901.22x = 547,727.47 × 215,614.51
  4. Step 4: Simplify right side
    396,901.22x = 118,097,988,149.24
  5. Step 5: Solve for x
    x = 118,097,988,149.24/396,901.22
  6. Step 6: Final answer
    x = 297,550.08

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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.