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Finding the Fourth Proportional to 258,550.56, 356,797.44 and 145,374.12

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Solution

The fourth proportional to 258,550.56, 356,797.44 and 145,374.12 is: 200,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,550.56 : 356,797.44 = 145,374.12 : x
  2. Step 2: Convert to fraction form
    258,550.56/356,797.44 = 145,374.12/x
  3. Step 3: Cross multiply
    258,550.56x = 356,797.44 × 145,374.12
  4. Step 4: Simplify right side
    258,550.56x = 51,869,113,858.25
  5. Step 5: Solve for x
    x = 51,869,113,858.25/258,550.56
  6. Step 6: Final answer
    x = 200,614.97

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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.