Home / 258,845.94-387,744.03-133,924.50

Finding the Fourth Proportional to 258,845.94, 387,744.03 and 133,924.50

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Solution

The fourth proportional to 258,845.94, 387,744.03 and 133,924.50 is: 200,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,845.94 : 387,744.03 = 133,924.50 : x
  2. Step 2: Convert to fraction form
    258,845.94/387,744.03 = 133,924.50/x
  3. Step 3: Cross multiply
    258,845.94x = 387,744.03 × 133,924.50
  4. Step 4: Simplify right side
    258,845.94x = 51,928,425,345.74
  5. Step 5: Solve for x
    x = 51,928,425,345.74/258,845.94
  6. Step 6: Final answer
    x = 200,615.18

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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.