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Finding the Fourth Proportional to 377,239.21, 565,850.61 and 177,448.86

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Solution

The fourth proportional to 377,239.21, 565,850.61 and 177,448.86 is: 266,169.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,239.21 : 565,850.61 = 177,448.86 : x
  2. Step 2: Convert to fraction form
    377,239.21/565,850.61 = 177,448.86/x
  3. Step 3: Cross multiply
    377,239.21x = 565,850.61 × 177,448.86
  4. Step 4: Simplify right side
    377,239.21x = 100,409,545,674.81
  5. Step 5: Solve for x
    x = 100,409,545,674.81/377,239.21
  6. Step 6: Final answer
    x = 266,169.43

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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.