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Finding the Fourth Proportional to 247,015.80, 340,882.02 and 133,838.54

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Solution

The fourth proportional to 247,015.80, 340,882.02 and 133,838.54 is: 184,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,015.80 : 340,882.02 = 133,838.54 : x
  2. Step 2: Convert to fraction form
    247,015.80/340,882.02 = 133,838.54/x
  3. Step 3: Cross multiply
    247,015.80x = 340,882.02 × 133,838.54
  4. Step 4: Simplify right side
    247,015.80x = 45,623,151,869.05
  5. Step 5: Solve for x
    x = 45,623,151,869.05/247,015.80
  6. Step 6: Final answer
    x = 184,697.30

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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.