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Finding the Fourth Proportional to 377,503.20, 520,954.07 and 207,737.33

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Solution

The fourth proportional to 377,503.20, 520,954.07 and 207,737.33 is: 286,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,503.20 : 520,954.07 = 207,737.33 : x
  2. Step 2: Convert to fraction form
    377,503.20/520,954.07 = 207,737.33/x
  3. Step 3: Cross multiply
    377,503.20x = 520,954.07 × 207,737.33
  4. Step 4: Simplify right side
    377,503.20x = 108,221,603,910.98
  5. Step 5: Solve for x
    x = 108,221,603,910.98/377,503.20
  6. Step 6: Final answer
    x = 286,677.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.