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Finding the Fourth Proportional to 250,343.64, 376,302.78 and 217,473.03

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Solution

The fourth proportional to 250,343.64, 376,302.78 and 217,473.03 is: 326,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,343.64 : 376,302.78 = 217,473.03 : x
  2. Step 2: Convert to fraction form
    250,343.64/376,302.78 = 217,473.03/x
  3. Step 3: Cross multiply
    250,343.64x = 376,302.78 × 217,473.03
  4. Step 4: Simplify right side
    250,343.64x = 81,835,705,764.02
  5. Step 5: Solve for x
    x = 81,835,705,764.02/250,343.64
  6. Step 6: Final answer
    x = 326,893.49

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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.