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Finding the Fourth Proportional to 347,077.56, 520,911.24 and 247,481.64

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Solution

The fourth proportional to 347,077.56, 520,911.24 and 247,481.64 is: 371,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,077.56 : 520,911.24 = 247,481.64 : x
  2. Step 2: Convert to fraction form
    347,077.56/520,911.24 = 247,481.64/x
  3. Step 3: Cross multiply
    347,077.56x = 520,911.24 × 247,481.64
  4. Step 4: Simplify right side
    347,077.56x = 128,915,967,969.63
  5. Step 5: Solve for x
    x = 128,915,967,969.63/347,077.56
  6. Step 6: Final answer
    x = 371,432.74

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1.5x scale

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.