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Finding the Fourth Proportional to 477,171.63, 715,738.76 and 161,628.54

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Solution

The fourth proportional to 477,171.63, 715,738.76 and 161,628.54 is: 242,436.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,171.63 : 715,738.76 = 161,628.54 : x
  2. Step 2: Convert to fraction form
    477,171.63/715,738.76 = 161,628.54/x
  3. Step 3: Cross multiply
    477,171.63x = 715,738.76 × 161,628.54
  4. Step 4: Simplify right side
    477,171.63x = 115,683,810,800.21
  5. Step 5: Solve for x
    x = 115,683,810,800.21/477,171.63
  6. Step 6: Final answer
    x = 242,436.48

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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.