Home / 331,721.34-457,413.66-224,104.50

Finding the Fourth Proportional to 331,721.34, 457,413.66 and 224,104.50

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Solution

The fourth proportional to 331,721.34, 457,413.66 and 224,104.50 is: 309,019.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,721.34 : 457,413.66 = 224,104.50 : x
  2. Step 2: Convert to fraction form
    331,721.34/457,413.66 = 224,104.50/x
  3. Step 3: Cross multiply
    331,721.34x = 457,413.66 × 224,104.50
  4. Step 4: Simplify right side
    331,721.34x = 102,508,459,567.47
  5. Step 5: Solve for x
    x = 102,508,459,567.47/331,721.34
  6. Step 6: Final answer
    x = 309,019.79

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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.