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Finding the Fourth Proportional to 371,349.32, 557,234.64 and 200,568.92

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Solution

The fourth proportional to 371,349.32, 557,234.64 and 200,568.92 is: 300,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,349.32 : 557,234.64 = 200,568.92 : x
  2. Step 2: Convert to fraction form
    371,349.32/557,234.64 = 200,568.92/x
  3. Step 3: Cross multiply
    371,349.32x = 557,234.64 × 200,568.92
  4. Step 4: Simplify right side
    371,349.32x = 111,763,947,145.22
  5. Step 5: Solve for x
    x = 111,763,947,145.22/371,349.32
  6. Step 6: Final answer
    x = 300,967.16

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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.