Home / 247,028.28-340,900.20-133,851

Finding the Fourth Proportional to 247,028.28, 340,900.20 and 133,851

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Solution

The fourth proportional to 247,028.28, 340,900.20 and 133,851 is: 184,715.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,028.28 : 340,900.20 = 133,851 : x
  2. Step 2: Convert to fraction form
    247,028.28/340,900.20 = 133,851/x
  3. Step 3: Cross multiply
    247,028.28x = 340,900.20 × 133,851
  4. Step 4: Simplify right side
    247,028.28x = 45,629,832,670.20
  5. Step 5: Solve for x
    x = 45,629,832,670.20/247,028.28
  6. Step 6: Final answer
    x = 184,715.02

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1.5x scale

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.