Home / 258,834.31-387,924.32-116,528.04

Finding the Fourth Proportional to 258,834.31, 387,924.32 and 116,528.04

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Solution

The fourth proportional to 258,834.31, 387,924.32 and 116,528.04 is: 174,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,834.31 : 387,924.32 = 116,528.04 : x
  2. Step 2: Convert to fraction form
    258,834.31/387,924.32 = 116,528.04/x
  3. Step 3: Cross multiply
    258,834.31x = 387,924.32 × 116,528.04
  4. Step 4: Simplify right side
    258,834.31x = 45,204,060,969.25
  5. Step 5: Solve for x
    x = 45,204,060,969.25/258,834.31
  6. Step 6: Final answer
    x = 174,644.78

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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.