Home / 258,048.42-387,199.44-115,994.06

Finding the Fourth Proportional to 258,048.42, 387,199.44 and 115,994.06

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Solution

The fourth proportional to 258,048.42, 387,199.44 and 115,994.06 is: 174,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,048.42 : 387,199.44 = 115,994.06 : x
  2. Step 2: Convert to fraction form
    258,048.42/387,199.44 = 115,994.06/x
  3. Step 3: Cross multiply
    258,048.42x = 387,199.44 × 115,994.06
  4. Step 4: Simplify right side
    258,048.42x = 44,912,834,591.33
  5. Step 5: Solve for x
    x = 44,912,834,591.33/258,048.42
  6. Step 6: Final answer
    x = 174,048.09

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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.