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Finding the Fourth Proportional to 243,236.32, 335,368.25 and 200,064.94

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Solution

The fourth proportional to 243,236.32, 335,368.25 and 200,064.94 is: 275,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,236.32 : 335,368.25 = 200,064.94 : x
  2. Step 2: Convert to fraction form
    243,236.32/335,368.25 = 200,064.94/x
  3. Step 3: Cross multiply
    243,236.32x = 335,368.25 × 200,064.94
  4. Step 4: Simplify right side
    243,236.32x = 67,095,427,725.65
  5. Step 5: Solve for x
    x = 67,095,427,725.65/243,236.32
  6. Step 6: Final answer
    x = 275,844.61

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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.