Home / 347,906.50-521,695.26-134,774.23

Finding the Fourth Proportional to 347,906.50, 521,695.26 and 134,774.23

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Solution

The fourth proportional to 347,906.50, 521,695.26 and 134,774.23 is: 202,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,906.50 : 521,695.26 = 134,774.23 : x
  2. Step 2: Convert to fraction form
    347,906.50/521,695.26 = 134,774.23/x
  3. Step 3: Cross multiply
    347,906.50x = 521,695.26 × 134,774.23
  4. Step 4: Simplify right side
    347,906.50x = 70,311,076,961.15
  5. Step 5: Solve for x
    x = 70,311,076,961.15/347,906.50
  6. Step 6: Final answer
    x = 202,097.62

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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.