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Finding the Fourth Proportional to 377,603.11, 566,403.89 and 111,550.44

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Solution

The fourth proportional to 377,603.11, 566,403.89 and 111,550.44 is: 167,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,603.11 : 566,403.89 = 111,550.44 : x
  2. Step 2: Convert to fraction form
    377,603.11/566,403.89 = 111,550.44/x
  3. Step 3: Cross multiply
    377,603.11x = 566,403.89 × 111,550.44
  4. Step 4: Simplify right side
    377,603.11x = 63,182,602,589.46
  5. Step 5: Solve for x
    x = 63,182,602,589.46/377,603.11
  6. Step 6: Final answer
    x = 167,325.43

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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.