Home / 368,518.07-551,974.79-225,932.15

Finding the Fourth Proportional to 368,518.07, 551,974.79 and 225,932.15

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Solution

The fourth proportional to 368,518.07, 551,974.79 and 225,932.15 is: 338,406.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,518.07 : 551,974.79 = 225,932.15 : x
  2. Step 2: Convert to fraction form
    368,518.07/551,974.79 = 225,932.15/x
  3. Step 3: Cross multiply
    368,518.07x = 551,974.79 × 225,932.15
  4. Step 4: Simplify right side
    368,518.07x = 124,708,847,160.96
  5. Step 5: Solve for x
    x = 124,708,847,160.96/368,518.07
  6. Step 6: Final answer
    x = 338,406.33

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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.