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Finding the Fourth Proportional to 250,302, 345,416.76 and 149,700

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Solution

The fourth proportional to 250,302, 345,416.76 and 149,700 is: 206,586

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,302 : 345,416.76 = 149,700 : x
  2. Step 2: Convert to fraction form
    250,302/345,416.76 = 149,700/x
  3. Step 3: Cross multiply
    250,302x = 345,416.76 × 149,700
  4. Step 4: Simplify right side
    250,302x = 51,708,888,972
  5. Step 5: Solve for x
    x = 51,708,888,972/250,302
  6. Step 6: Final answer
    x = 206,586

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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.