Home / 245,207.70-338,413.41-149,714.10

Finding the Fourth Proportional to 245,207.70, 338,413.41 and 149,714.10

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Solution

The fourth proportional to 245,207.70, 338,413.41 and 149,714.10 is: 206,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,207.70 : 338,413.41 = 149,714.10 : x
  2. Step 2: Convert to fraction form
    245,207.70/338,413.41 = 149,714.10/x
  3. Step 3: Cross multiply
    245,207.70x = 338,413.41 × 149,714.10
  4. Step 4: Simplify right side
    245,207.70x = 50,665,259,106.08
  5. Step 5: Solve for x
    x = 50,665,259,106.08/245,207.70
  6. Step 6: Final answer
    x = 206,621.81

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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.