Home / 300,924.16-451,680-143,261.44

Finding the Fourth Proportional to 300,924.16, 451,680 and 143,261.44

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Solution

The fourth proportional to 300,924.16, 451,680 and 143,261.44 is: 215,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,924.16 : 451,680 = 143,261.44 : x
  2. Step 2: Convert to fraction form
    300,924.16/451,680 = 143,261.44/x
  3. Step 3: Cross multiply
    300,924.16x = 451,680 × 143,261.44
  4. Step 4: Simplify right side
    300,924.16x = 64,708,327,219.20
  5. Step 5: Solve for x
    x = 64,708,327,219.20/300,924.16
  6. Step 6: Final answer
    x = 215,032.01

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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.