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Finding the Fourth Proportional to 258,449.64, 356,608.20 and 150,998.91

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Solution

The fourth proportional to 258,449.64, 356,608.20 and 150,998.91 is: 208,347.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,449.64 : 356,608.20 = 150,998.91 : x
  2. Step 2: Convert to fraction form
    258,449.64/356,608.20 = 150,998.91/x
  3. Step 3: Cross multiply
    258,449.64x = 356,608.20 × 150,998.91
  4. Step 4: Simplify right side
    258,449.64x = 53,847,449,497.06
  5. Step 5: Solve for x
    x = 53,847,449,497.06/258,449.64
  6. Step 6: Final answer
    x = 208,347.94

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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.