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Finding the Fourth Proportional to 250,014.66, 345,021.14 and 135,293.29

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Solution

The fourth proportional to 250,014.66, 345,021.14 and 135,293.29 is: 186,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,014.66 : 345,021.14 = 135,293.29 : x
  2. Step 2: Convert to fraction form
    250,014.66/345,021.14 = 135,293.29/x
  3. Step 3: Cross multiply
    250,014.66x = 345,021.14 × 135,293.29
  4. Step 4: Simplify right side
    250,014.66x = 46,679,043,611.13
  5. Step 5: Solve for x
    x = 46,679,043,611.13/250,014.66
  6. Step 6: Final answer
    x = 186,705.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.