Home / 382,110.72-572,292-182,571.36

Finding the Fourth Proportional to 382,110.72, 572,292 and 182,571.36

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Solution

The fourth proportional to 382,110.72, 572,292 and 182,571.36 is: 273,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,110.72 : 572,292 = 182,571.36 : x
  2. Step 2: Convert to fraction form
    382,110.72/572,292 = 182,571.36/x
  3. Step 3: Cross multiply
    382,110.72x = 572,292 × 182,571.36
  4. Step 4: Simplify right side
    382,110.72x = 104,484,128,757.12
  5. Step 5: Solve for x
    x = 104,484,128,757.12/382,110.72
  6. Step 6: Final answer
    x = 273,439.41

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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.