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Finding the Fourth Proportional to 254,996.36, 351,889.98 and 141,816.68

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Solution

The fourth proportional to 254,996.36, 351,889.98 and 141,816.68 is: 195,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,996.36 : 351,889.98 = 141,816.68 : x
  2. Step 2: Convert to fraction form
    254,996.36/351,889.98 = 141,816.68/x
  3. Step 3: Cross multiply
    254,996.36x = 351,889.98 × 141,816.68
  4. Step 4: Simplify right side
    254,996.36x = 49,903,868,688.87
  5. Step 5: Solve for x
    x = 49,903,868,688.87/254,996.36
  6. Step 6: Final answer
    x = 195,704.24

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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.