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Finding the Fourth Proportional to 377,513.50, 566,357.85 and 128,195.74

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Solution

The fourth proportional to 377,513.50, 566,357.85 and 128,195.74 is: 192,323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,513.50 : 566,357.85 = 128,195.74 : x
  2. Step 2: Convert to fraction form
    377,513.50/566,357.85 = 128,195.74/x
  3. Step 3: Cross multiply
    377,513.50x = 566,357.85 × 128,195.74
  4. Step 4: Simplify right side
    377,513.50x = 72,604,663,685.56
  5. Step 5: Solve for x
    x = 72,604,663,685.56/377,513.50
  6. Step 6: Final answer
    x = 192,323.36

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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.