Home / 394,230.30-544,038.03-212,942.22

Finding the Fourth Proportional to 394,230.30, 544,038.03 and 212,942.22

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Solution

The fourth proportional to 394,230.30, 544,038.03 and 212,942.22 is: 293,860.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,230.30 : 544,038.03 = 212,942.22 : x
  2. Step 2: Convert to fraction form
    394,230.30/544,038.03 = 212,942.22/x
  3. Step 3: Cross multiply
    394,230.30x = 544,038.03 × 212,942.22
  4. Step 4: Simplify right side
    394,230.30x = 115,848,666,914.60
  5. Step 5: Solve for x
    x = 115,848,666,914.60/394,230.30
  6. Step 6: Final answer
    x = 293,860.39

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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.