Home / 226,315.45-338,981.10-137,413.90

Finding the Fourth Proportional to 226,315.45, 338,981.10 and 137,413.90

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Solution

The fourth proportional to 226,315.45, 338,981.10 and 137,413.90 is: 205,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,315.45 : 338,981.10 = 137,413.90 : x
  2. Step 2: Convert to fraction form
    226,315.45/338,981.10 = 137,413.90/x
  3. Step 3: Cross multiply
    226,315.45x = 338,981.10 × 137,413.90
  4. Step 4: Simplify right side
    226,315.45x = 46,580,714,977.29
  5. Step 5: Solve for x
    x = 46,580,714,977.29/226,315.45
  6. Step 6: Final answer
    x = 205,822.07

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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.