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Finding the Fourth Proportional to 269,904.70, 404,857.05 and 217,416.70

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Solution

The fourth proportional to 269,904.70, 404,857.05 and 217,416.70 is: 326,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,904.70 : 404,857.05 = 217,416.70 : x
  2. Step 2: Convert to fraction form
    269,904.70/404,857.05 = 217,416.70/x
  3. Step 3: Cross multiply
    269,904.70x = 404,857.05 × 217,416.70
  4. Step 4: Simplify right side
    269,904.70x = 88,022,683,782.74
  5. Step 5: Solve for x
    x = 88,022,683,782.74/269,904.70
  6. Step 6: Final answer
    x = 326,125.05

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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.