Home / 352,040.69-528,083.32-136,002.45

Finding the Fourth Proportional to 352,040.69, 528,083.32 and 136,002.45

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Solution

The fourth proportional to 352,040.69, 528,083.32 and 136,002.45 is: 204,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,040.69 : 528,083.32 = 136,002.45 : x
  2. Step 2: Convert to fraction form
    352,040.69/528,083.32 = 136,002.45/x
  3. Step 3: Cross multiply
    352,040.69x = 528,083.32 × 136,002.45
  4. Step 4: Simplify right side
    352,040.69x = 71,820,625,324.13
  5. Step 5: Solve for x
    x = 71,820,625,324.13/352,040.69
  6. Step 6: Final answer
    x = 204,012.29

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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.