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Finding the Fourth Proportional to 254,816.36, 351,658.50 and 141,641

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Solution

The fourth proportional to 254,816.36, 351,658.50 and 141,641 is: 195,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,816.36 : 351,658.50 = 141,641 : x
  2. Step 2: Convert to fraction form
    254,816.36/351,658.50 = 141,641/x
  3. Step 3: Cross multiply
    254,816.36x = 351,658.50 × 141,641
  4. Step 4: Simplify right side
    254,816.36x = 49,809,261,598.50
  5. Step 5: Solve for x
    x = 49,809,261,598.50/254,816.36
  6. Step 6: Final answer
    x = 195,471.21

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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.