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Finding the Fourth Proportional to 200,248.13, 300,490.36 and 73,977.74

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Solution

The fourth proportional to 200,248.13, 300,490.36 and 73,977.74 is: 111,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,248.13 : 300,490.36 = 73,977.74 : x
  2. Step 2: Convert to fraction form
    200,248.13/300,490.36 = 73,977.74/x
  3. Step 3: Cross multiply
    200,248.13x = 300,490.36 × 73,977.74
  4. Step 4: Simplify right side
    200,248.13x = 22,229,597,164.03
  5. Step 5: Solve for x
    x = 22,229,597,164.03/200,248.13
  6. Step 6: Final answer
    x = 111,010.26

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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.