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Finding the Fourth Proportional to 250,381.13, 345,525.50 and 135,662.68

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Solution

The fourth proportional to 250,381.13, 345,525.50 and 135,662.68 is: 187,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,381.13 : 345,525.50 = 135,662.68 : x
  2. Step 2: Convert to fraction form
    250,381.13/345,525.50 = 135,662.68/x
  3. Step 3: Cross multiply
    250,381.13x = 345,525.50 × 135,662.68
  4. Step 4: Simplify right side
    250,381.13x = 46,874,916,109.40
  5. Step 5: Solve for x
    x = 46,874,916,109.40/250,381.13
  6. Step 6: Final answer
    x = 187,214.26

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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.