Home / 377,413.45-520,834.69-205,332.39

Finding the Fourth Proportional to 377,413.45, 520,834.69 and 205,332.39

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Solution

The fourth proportional to 377,413.45, 520,834.69 and 205,332.39 is: 283,360.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,413.45 : 520,834.69 = 205,332.39 : x
  2. Step 2: Convert to fraction form
    377,413.45/520,834.69 = 205,332.39/x
  3. Step 3: Cross multiply
    377,413.45x = 520,834.69 × 205,332.39
  4. Step 4: Simplify right side
    377,413.45x = 106,944,231,949.28
  5. Step 5: Solve for x
    x = 106,944,231,949.28/377,413.45
  6. Step 6: Final answer
    x = 283,360.95

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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.