Home / 266,276.58-367,464.62-145,421.43

Finding the Fourth Proportional to 266,276.58, 367,464.62 and 145,421.43

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Solution

The fourth proportional to 266,276.58, 367,464.62 and 145,421.43 is: 200,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,276.58 : 367,464.62 = 145,421.43 : x
  2. Step 2: Convert to fraction form
    266,276.58/367,464.62 = 145,421.43/x
  3. Step 3: Cross multiply
    266,276.58x = 367,464.62 × 145,421.43
  4. Step 4: Simplify right side
    266,276.58x = 53,437,229,787.70
  5. Step 5: Solve for x
    x = 53,437,229,787.70/266,276.58
  6. Step 6: Final answer
    x = 200,683.18

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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.