Home / 279,028.41-385,051.16-158,180.87

Finding the Fourth Proportional to 279,028.41, 385,051.16 and 158,180.87

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Solution

The fourth proportional to 279,028.41, 385,051.16 and 158,180.87 is: 218,285.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,028.41 : 385,051.16 = 158,180.87 : x
  2. Step 2: Convert to fraction form
    279,028.41/385,051.16 = 158,180.87/x
  3. Step 3: Cross multiply
    279,028.41x = 385,051.16 × 158,180.87
  4. Step 4: Simplify right side
    279,028.41x = 60,907,724,767.15
  5. Step 5: Solve for x
    x = 60,907,724,767.15/279,028.41
  6. Step 6: Final answer
    x = 218,285.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.