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Finding the Fourth Proportional to 377,632.28, 566,393.73 and 111,379.61

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Solution

The fourth proportional to 377,632.28, 566,393.73 and 111,379.61 is: 167,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,632.28 : 566,393.73 = 111,379.61 : x
  2. Step 2: Convert to fraction form
    377,632.28/566,393.73 = 111,379.61/x
  3. Step 3: Cross multiply
    377,632.28x = 566,393.73 × 111,379.61
  4. Step 4: Simplify right side
    377,632.28x = 63,084,709,921.88
  5. Step 5: Solve for x
    x = 63,084,709,921.88/377,632.28
  6. Step 6: Final answer
    x = 167,053.28

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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.