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Finding the Fourth Proportional to 200,727.40, 300,828.30 and 101,000.20

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Solution

The fourth proportional to 200,727.40, 300,828.30 and 101,000.20 is: 151,368.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,727.40 : 300,828.30 = 101,000.20 : x
  2. Step 2: Convert to fraction form
    200,727.40/300,828.30 = 101,000.20/x
  3. Step 3: Cross multiply
    200,727.40x = 300,828.30 × 101,000.20
  4. Step 4: Simplify right side
    200,727.40x = 30,383,718,465.66
  5. Step 5: Solve for x
    x = 30,383,718,465.66/200,727.40
  6. Step 6: Final answer
    x = 151,368.07

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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.