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Finding the Fourth Proportional to 362,494.80, 543,223.80 and 266,979.60

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Solution

The fourth proportional to 362,494.80, 543,223.80 and 266,979.60 is: 400,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,494.80 : 543,223.80 = 266,979.60 : x
  2. Step 2: Convert to fraction form
    362,494.80/543,223.80 = 266,979.60/x
  3. Step 3: Cross multiply
    362,494.80x = 543,223.80 × 266,979.60
  4. Step 4: Simplify right side
    362,494.80x = 145,029,672,834.48
  5. Step 5: Solve for x
    x = 145,029,672,834.48/362,494.80
  6. Step 6: Final answer
    x = 400,087.60

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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.