Home / 394,868.33-592,302.04-128,628.42

Finding the Fourth Proportional to 394,868.33, 592,302.04 and 128,628.42

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Solution

The fourth proportional to 394,868.33, 592,302.04 and 128,628.42 is: 192,942.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,868.33 : 592,302.04 = 128,628.42 : x
  2. Step 2: Convert to fraction form
    394,868.33/592,302.04 = 128,628.42/x
  3. Step 3: Cross multiply
    394,868.33x = 592,302.04 × 128,628.42
  4. Step 4: Simplify right side
    394,868.33x = 76,186,875,567.98
  5. Step 5: Solve for x
    x = 76,186,875,567.98/394,868.33
  6. Step 6: Final answer
    x = 192,942.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.