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Finding the Fourth Proportional to 362,424.80, 543,118.80 and 266,909.60

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Solution

The fourth proportional to 362,424.80, 543,118.80 and 266,909.60 is: 399,982.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,424.80 : 543,118.80 = 266,909.60 : x
  2. Step 2: Convert to fraction form
    362,424.80/543,118.80 = 266,909.60/x
  3. Step 3: Cross multiply
    362,424.80x = 543,118.80 × 266,909.60
  4. Step 4: Simplify right side
    362,424.80x = 144,963,621,660.48
  5. Step 5: Solve for x
    x = 144,963,621,660.48/362,424.80
  6. Step 6: Final answer
    x = 399,982.62

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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.