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Finding the Fourth Proportional to 250,399.67, 345,551.85 and 135,678.22

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Solution

The fourth proportional to 250,399.67, 345,551.85 and 135,678.22 is: 187,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,399.67 : 345,551.85 = 135,678.22 : x
  2. Step 2: Convert to fraction form
    250,399.67/345,551.85 = 135,678.22/x
  3. Step 3: Cross multiply
    250,399.67x = 345,551.85 × 135,678.22
  4. Step 4: Simplify right side
    250,399.67x = 46,883,859,247.32
  5. Step 5: Solve for x
    x = 46,883,859,247.32/250,399.67
  6. Step 6: Final answer
    x = 187,236.11

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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.