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Finding the Fourth Proportional to 377,170.90, 565,874.43 and 124,628.83

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Solution

The fourth proportional to 377,170.90, 565,874.43 and 124,628.83 is: 186,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,170.90 : 565,874.43 = 124,628.83 : x
  2. Step 2: Convert to fraction form
    377,170.90/565,874.43 = 124,628.83/x
  3. Step 3: Cross multiply
    377,170.90x = 565,874.43 × 124,628.83
  4. Step 4: Simplify right side
    377,170.90x = 70,524,268,137.82
  5. Step 5: Solve for x
    x = 70,524,268,137.82/377,170.90
  6. Step 6: Final answer
    x = 186,982.26

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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.