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Finding the Fourth Proportional to 309,063.57, 465,701.37 and 254,134.23

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Solution

The fourth proportional to 309,063.57, 465,701.37 and 254,134.23 is: 382,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,063.57 : 465,701.37 = 254,134.23 : x
  2. Step 2: Convert to fraction form
    309,063.57/465,701.37 = 254,134.23/x
  3. Step 3: Cross multiply
    309,063.57x = 465,701.37 × 254,134.23
  4. Step 4: Simplify right side
    309,063.57x = 118,350,659,074.90
  5. Step 5: Solve for x
    x = 118,350,659,074.90/309,063.57
  6. Step 6: Final answer
    x = 382,933.06

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1.5x scale

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.