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Finding the Fourth Proportional to 266,993.53, 400,550.25 and 89,495.98

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Solution

The fourth proportional to 266,993.53, 400,550.25 and 89,495.98 is: 134,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,993.53 : 400,550.25 = 89,495.98 : x
  2. Step 2: Convert to fraction form
    266,993.53/400,550.25 = 89,495.98/x
  3. Step 3: Cross multiply
    266,993.53x = 400,550.25 × 89,495.98
  4. Step 4: Simplify right side
    266,993.53x = 35,847,637,163.00
  5. Step 5: Solve for x
    x = 35,847,637,163.00/266,993.53
  6. Step 6: Final answer
    x = 134,264.07

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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.