Home / 394,260.74-544,080-212,972.66

Finding the Fourth Proportional to 394,260.74, 544,080 and 212,972.66

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Solution

The fourth proportional to 394,260.74, 544,080 and 212,972.66 is: 293,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,260.74 : 544,080 = 212,972.66 : x
  2. Step 2: Convert to fraction form
    394,260.74/544,080 = 212,972.66/x
  3. Step 3: Cross multiply
    394,260.74x = 544,080 × 212,972.66
  4. Step 4: Simplify right side
    394,260.74x = 115,874,164,852.80
  5. Step 5: Solve for x
    x = 115,874,164,852.80/394,260.74
  6. Step 6: Final answer
    x = 293,902.37

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1.5x scale

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.