Home / 291,915.12-437,872.68-225,452.22

Finding the Fourth Proportional to 291,915.12, 437,872.68 and 225,452.22

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Solution

The fourth proportional to 291,915.12, 437,872.68 and 225,452.22 is: 338,178.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,915.12 : 437,872.68 = 225,452.22 : x
  2. Step 2: Convert to fraction form
    291,915.12/437,872.68 = 225,452.22/x
  3. Step 3: Cross multiply
    291,915.12x = 437,872.68 × 225,452.22
  4. Step 4: Simplify right side
    291,915.12x = 98,719,367,783.35
  5. Step 5: Solve for x
    x = 98,719,367,783.35/291,915.12
  6. Step 6: Final answer
    x = 338,178.33

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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.