Home / 352,918.80-528,600.60-247,165.20

Finding the Fourth Proportional to 352,918.80, 528,600.60 and 247,165.20

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Solution

The fourth proportional to 352,918.80, 528,600.60 and 247,165.20 is: 370,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,918.80 : 528,600.60 = 247,165.20 : x
  2. Step 2: Convert to fraction form
    352,918.80/528,600.60 = 247,165.20/x
  3. Step 3: Cross multiply
    352,918.80x = 528,600.60 × 247,165.20
  4. Step 4: Simplify right side
    352,918.80x = 130,651,673,019.12
  5. Step 5: Solve for x
    x = 130,651,673,019.12/352,918.80
  6. Step 6: Final answer
    x = 370,203.21

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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.