Home / 352,539.48-528,627.78-142,120.92

Finding the Fourth Proportional to 352,539.48, 528,627.78 and 142,120.92

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Solution

The fourth proportional to 352,539.48, 528,627.78 and 142,120.92 is: 213,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,539.48 : 528,627.78 = 142,120.92 : x
  2. Step 2: Convert to fraction form
    352,539.48/528,627.78 = 142,120.92/x
  3. Step 3: Cross multiply
    352,539.48x = 528,627.78 × 142,120.92
  4. Step 4: Simplify right side
    352,539.48x = 75,129,066,431.16
  5. Step 5: Solve for x
    x = 75,129,066,431.16/352,539.48
  6. Step 6: Final answer
    x = 213,108.24

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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.