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Finding the Fourth Proportional to 200,335.84, 300,562.32 and 60,115.36

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Solution

The fourth proportional to 200,335.84, 300,562.32 and 60,115.36 is: 90,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,335.84 : 300,562.32 = 60,115.36 : x
  2. Step 2: Convert to fraction form
    200,335.84/300,562.32 = 60,115.36/x
  3. Step 3: Cross multiply
    200,335.84x = 300,562.32 × 60,115.36
  4. Step 4: Simplify right side
    200,335.84x = 18,068,412,069.24
  5. Step 5: Solve for x
    x = 18,068,412,069.24/200,335.84
  6. Step 6: Final answer
    x = 90,190.61

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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.