Home / 266,989.57-400,433.32-80,001.07

Finding the Fourth Proportional to 266,989.57, 400,433.32 and 80,001.07

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Solution

The fourth proportional to 266,989.57, 400,433.32 and 80,001.07 is: 119,986.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,989.57 : 400,433.32 = 80,001.07 : x
  2. Step 2: Convert to fraction form
    266,989.57/400,433.32 = 80,001.07/x
  3. Step 3: Cross multiply
    266,989.57x = 400,433.32 × 80,001.07
  4. Step 4: Simplify right side
    266,989.57x = 32,035,093,162.57
  5. Step 5: Solve for x
    x = 32,035,093,162.57/266,989.57
  6. Step 6: Final answer
    x = 119,986.31

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1.5x scale

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.