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Finding the Fourth Proportional to 377,679.50, 565,759.47 and 174,991.58

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Solution

The fourth proportional to 377,679.50, 565,759.47 and 174,991.58 is: 262,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,679.50 : 565,759.47 = 174,991.58 : x
  2. Step 2: Convert to fraction form
    377,679.50/565,759.47 = 174,991.58/x
  3. Step 3: Cross multiply
    377,679.50x = 565,759.47 × 174,991.58
  4. Step 4: Simplify right side
    377,679.50x = 99,003,143,555.26
  5. Step 5: Solve for x
    x = 99,003,143,555.26/377,679.50
  6. Step 6: Final answer
    x = 262,135.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.