Home / 394,267.35-544,089.44-212,979.29

Finding the Fourth Proportional to 394,267.35, 544,089.44 and 212,979.29

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Solution

The fourth proportional to 394,267.35, 544,089.44 and 212,979.29 is: 293,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,267.35 : 544,089.44 = 212,979.29 : x
  2. Step 2: Convert to fraction form
    394,267.35/544,089.44 = 212,979.29/x
  3. Step 3: Cross multiply
    394,267.35x = 544,089.44 × 212,979.29
  4. Step 4: Simplify right side
    394,267.35x = 115,879,778,842.35
  5. Step 5: Solve for x
    x = 115,879,778,842.35/394,267.35
  6. Step 6: Final answer
    x = 293,911.68

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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.