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Finding the Fourth Proportional to 309,060.56, 465,696.84 and 254,131.22

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Solution

The fourth proportional to 309,060.56, 465,696.84 and 254,131.22 is: 382,928.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,060.56 : 465,696.84 = 254,131.22 : x
  2. Step 2: Convert to fraction form
    309,060.56/465,696.84 = 254,131.22/x
  3. Step 3: Cross multiply
    309,060.56x = 465,696.84 × 254,131.22
  4. Step 4: Simplify right side
    309,060.56x = 118,348,108,216.58
  5. Step 5: Solve for x
    x = 118,348,108,216.58/309,060.56
  6. Step 6: Final answer
    x = 382,928.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.