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Finding the Fourth Proportional to 508,384.27, 762,409.23 and 171,334.09

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Solution

The fourth proportional to 508,384.27, 762,409.23 and 171,334.09 is: 256,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,384.27 : 762,409.23 = 171,334.09 : x
  2. Step 2: Convert to fraction form
    508,384.27/762,409.23 = 171,334.09/x
  3. Step 3: Cross multiply
    508,384.27x = 762,409.23 × 171,334.09
  4. Step 4: Simplify right side
    508,384.27x = 130,626,691,629.65
  5. Step 5: Solve for x
    x = 130,626,691,629.65/508,384.27
  6. Step 6: Final answer
    x = 256,944.79

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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.