Home / 377,413.28-520,834.46-205,332.23

Finding the Fourth Proportional to 377,413.28, 520,834.46 and 205,332.23

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Solution

The fourth proportional to 377,413.28, 520,834.46 and 205,332.23 is: 283,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,413.28 : 520,834.46 = 205,332.23 : x
  2. Step 2: Convert to fraction form
    377,413.28/520,834.46 = 205,332.23/x
  3. Step 3: Cross multiply
    377,413.28x = 520,834.46 × 205,332.23
  4. Step 4: Simplify right side
    377,413.28x = 106,944,101,132.65
  5. Step 5: Solve for x
    x = 106,944,101,132.65/377,413.28
  6. Step 6: Final answer
    x = 283,360.73

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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.