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Finding the Fourth Proportional to 362,213.70, 499,860.45 and 201,079.14

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Solution

The fourth proportional to 362,213.70, 499,860.45 and 201,079.14 is: 277,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,213.70 : 499,860.45 = 201,079.14 : x
  2. Step 2: Convert to fraction form
    362,213.70/499,860.45 = 201,079.14/x
  3. Step 3: Cross multiply
    362,213.70x = 499,860.45 × 201,079.14
  4. Step 4: Simplify right side
    362,213.70x = 100,511,509,406.01
  5. Step 5: Solve for x
    x = 100,511,509,406.01/362,213.70
  6. Step 6: Final answer
    x = 277,492.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.