Home / 352,214.40-528,321.60-115,564.80

Finding the Fourth Proportional to 352,214.40, 528,321.60 and 115,564.80

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Solution

The fourth proportional to 352,214.40, 528,321.60 and 115,564.80 is: 173,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,214.40 : 528,321.60 = 115,564.80 : x
  2. Step 2: Convert to fraction form
    352,214.40/528,321.60 = 115,564.80/x
  3. Step 3: Cross multiply
    352,214.40x = 528,321.60 × 115,564.80
  4. Step 4: Simplify right side
    352,214.40x = 61,055,380,039.68
  5. Step 5: Solve for x
    x = 61,055,380,039.68/352,214.40
  6. Step 6: Final answer
    x = 173,347.20

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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.