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Finding the Fourth Proportional to 247,163.59, 370,749.03 and 171,187.21

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Solution

The fourth proportional to 247,163.59, 370,749.03 and 171,187.21 is: 256,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,163.59 : 370,749.03 = 171,187.21 : x
  2. Step 2: Convert to fraction form
    247,163.59/370,749.03 = 171,187.21/x
  3. Step 3: Cross multiply
    247,163.59x = 370,749.03 × 171,187.21
  4. Step 4: Simplify right side
    247,163.59x = 63,467,492,055.91
  5. Step 5: Solve for x
    x = 63,467,492,055.91/247,163.59
  6. Step 6: Final answer
    x = 256,783.34

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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.