Home / 266,938.72-400,219.08-133,723.96

Finding the Fourth Proportional to 266,938.72, 400,219.08 and 133,723.96

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Solution

The fourth proportional to 266,938.72, 400,219.08 and 133,723.96 is: 200,491.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,938.72 : 400,219.08 = 133,723.96 : x
  2. Step 2: Convert to fraction form
    266,938.72/400,219.08 = 133,723.96/x
  3. Step 3: Cross multiply
    266,938.72x = 400,219.08 × 133,723.96
  4. Step 4: Simplify right side
    266,938.72x = 53,518,880,245.16
  5. Step 5: Solve for x
    x = 53,518,880,245.16/266,938.72
  6. Step 6: Final answer
    x = 200,491.26

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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.