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Finding the Fourth Proportional to 258,099, 356,022.18 and 162,439.62

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Solution

The fourth proportional to 258,099, 356,022.18 and 162,439.62 is: 224,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,099 : 356,022.18 = 162,439.62 : x
  2. Step 2: Convert to fraction form
    258,099/356,022.18 = 162,439.62/x
  3. Step 3: Cross multiply
    258,099x = 356,022.18 × 162,439.62
  4. Step 4: Simplify right side
    258,099x = 57,832,107,630.77
  5. Step 5: Solve for x
    x = 57,832,107,630.77/258,099
  6. Step 6: Final answer
    x = 224,069.48

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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.