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Finding the Fourth Proportional to 247,130.86, 370,273.06 and 134,889.84

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Solution

The fourth proportional to 247,130.86, 370,273.06 and 134,889.84 is: 202,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,130.86 : 370,273.06 = 134,889.84 : x
  2. Step 2: Convert to fraction form
    247,130.86/370,273.06 = 134,889.84/x
  3. Step 3: Cross multiply
    247,130.86x = 370,273.06 × 134,889.84
  4. Step 4: Simplify right side
    247,130.86x = 49,946,073,819.71
  5. Step 5: Solve for x
    x = 49,946,073,819.71/247,130.86
  6. Step 6: Final answer
    x = 202,103.75

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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.