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Finding the Fourth Proportional to 250,183, 345,253.62 and 137,007.64

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Solution

The fourth proportional to 250,183, 345,253.62 and 137,007.64 is: 189,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,183 : 345,253.62 = 137,007.64 : x
  2. Step 2: Convert to fraction form
    250,183/345,253.62 = 137,007.64/x
  3. Step 3: Cross multiply
    250,183x = 345,253.62 × 137,007.64
  4. Step 4: Simplify right side
    250,183x = 47,302,383,677.66
  5. Step 5: Solve for x
    x = 47,302,383,677.66/250,183
  6. Step 6: Final answer
    x = 189,071.13

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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.