Home / 382,048.72-573,040.07-129,323.80

Finding the Fourth Proportional to 382,048.72, 573,040.07 and 129,323.80

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Solution

The fourth proportional to 382,048.72, 573,040.07 and 129,323.80 is: 193,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,048.72 : 573,040.07 = 129,323.80 : x
  2. Step 2: Convert to fraction form
    382,048.72/573,040.07 = 129,323.80/x
  3. Step 3: Cross multiply
    382,048.72x = 573,040.07 × 129,323.80
  4. Step 4: Simplify right side
    382,048.72x = 74,107,718,758.05
  5. Step 5: Solve for x
    x = 74,107,718,758.05/382,048.72
  6. Step 6: Final answer
    x = 193,974.52

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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.