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Finding the Fourth Proportional to 325,469.07, 488,228.19 and 100,852.17

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Solution

The fourth proportional to 325,469.07, 488,228.19 and 100,852.17 is: 151,285.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,469.07 : 488,228.19 = 100,852.17 : x
  2. Step 2: Convert to fraction form
    325,469.07/488,228.19 = 100,852.17/x
  3. Step 3: Cross multiply
    325,469.07x = 488,228.19 × 100,852.17
  4. Step 4: Simplify right side
    325,469.07x = 49,238,872,416.67
  5. Step 5: Solve for x
    x = 49,238,872,416.67/325,469.07
  6. Step 6: Final answer
    x = 151,285.87

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1.5x scale

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.