Home / 354,982.20-531,226.48-305,658.06

Finding the Fourth Proportional to 354,982.20, 531,226.48 and 305,658.06

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Solution

The fourth proportional to 354,982.20, 531,226.48 and 305,658.06 is: 457,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,982.20 : 531,226.48 = 305,658.06 : x
  2. Step 2: Convert to fraction form
    354,982.20/531,226.48 = 305,658.06/x
  3. Step 3: Cross multiply
    354,982.20x = 531,226.48 × 305,658.06
  4. Step 4: Simplify right side
    354,982.20x = 162,373,655,297.43
  5. Step 5: Solve for x
    x = 162,373,655,297.43/354,982.20
  6. Step 6: Final answer
    x = 457,413.51

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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.