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Finding the Fourth Proportional to 234,792.96, 352,203.44 and 90,699.90

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Solution

The fourth proportional to 234,792.96, 352,203.44 and 90,699.90 is: 136,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,792.96 : 352,203.44 = 90,699.90 : x
  2. Step 2: Convert to fraction form
    234,792.96/352,203.44 = 90,699.90/x
  3. Step 3: Cross multiply
    234,792.96x = 352,203.44 × 90,699.90
  4. Step 4: Simplify right side
    234,792.96x = 31,944,816,334.16
  5. Step 5: Solve for x
    x = 31,944,816,334.16/234,792.96
  6. Step 6: Final answer
    x = 136,055.26

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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.