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Finding the Fourth Proportional to 200,354.28, 300,832.44 and 190,724.44

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Solution

The fourth proportional to 200,354.28, 300,832.44 and 190,724.44 is: 286,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,354.28 : 300,832.44 = 190,724.44 : x
  2. Step 2: Convert to fraction form
    200,354.28/300,832.44 = 190,724.44/x
  3. Step 3: Cross multiply
    200,354.28x = 300,832.44 × 190,724.44
  4. Step 4: Simplify right side
    200,354.28x = 57,376,098,652.83
  5. Step 5: Solve for x
    x = 57,376,098,652.83/200,354.28
  6. Step 6: Final answer
    x = 286,373.21

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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.