Home / 279,621.12-385,768.80-184,175.04

Finding the Fourth Proportional to 279,621.12, 385,768.80 and 184,175.04

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Solution

The fourth proportional to 279,621.12, 385,768.80 and 184,175.04 is: 254,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,621.12 : 385,768.80 = 184,175.04 : x
  2. Step 2: Convert to fraction form
    279,621.12/385,768.80 = 184,175.04/x
  3. Step 3: Cross multiply
    279,621.12x = 385,768.80 × 184,175.04
  4. Step 4: Simplify right side
    279,621.12x = 71,048,984,170.75
  5. Step 5: Solve for x
    x = 71,048,984,170.75/279,621.12
  6. Step 6: Final answer
    x = 254,090.19

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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.