Home / 242,581.61-363,942.56-100,400.60

Finding the Fourth Proportional to 242,581.61, 363,942.56 and 100,400.60

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Solution

The fourth proportional to 242,581.61, 363,942.56 and 100,400.60 is: 150,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,581.61 : 363,942.56 = 100,400.60 : x
  2. Step 2: Convert to fraction form
    242,581.61/363,942.56 = 100,400.60/x
  3. Step 3: Cross multiply
    242,581.61x = 363,942.56 × 100,400.60
  4. Step 4: Simplify right side
    242,581.61x = 36,540,049,820.82
  5. Step 5: Solve for x
    x = 36,540,049,820.82/242,581.61
  6. Step 6: Final answer
    x = 150,629.93

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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.