Home / 284,226.12-426,361.86-165,909.42

Finding the Fourth Proportional to 284,226.12, 426,361.86 and 165,909.42

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Solution

The fourth proportional to 284,226.12, 426,361.86 and 165,909.42 is: 248,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,226.12 : 426,361.86 = 165,909.42 : x
  2. Step 2: Convert to fraction form
    284,226.12/426,361.86 = 165,909.42/x
  3. Step 3: Cross multiply
    284,226.12x = 426,361.86 × 165,909.42
  4. Step 4: Simplify right side
    284,226.12x = 70,737,448,902.72
  5. Step 5: Solve for x
    x = 70,737,448,902.72/284,226.12
  6. Step 6: Final answer
    x = 248,877.37

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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.