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Finding the Fourth Proportional to 325,177.68, 487,819.32 and 100,485.68

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Solution

The fourth proportional to 325,177.68, 487,819.32 and 100,485.68 is: 150,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,177.68 : 487,819.32 = 100,485.68 : x
  2. Step 2: Convert to fraction form
    325,177.68/487,819.32 = 100,485.68/x
  3. Step 3: Cross multiply
    325,177.68x = 487,819.32 × 100,485.68
  4. Step 4: Simplify right side
    325,177.68x = 49,018,856,087.34
  5. Step 5: Solve for x
    x = 49,018,856,087.34/325,177.68
  6. Step 6: Final answer
    x = 150,744.84

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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.