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Finding the Fourth Proportional to 379,825.08, 569,558.10 and 113,492.60

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Solution

The fourth proportional to 379,825.08, 569,558.10 and 113,492.60 is: 170,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,825.08 : 569,558.10 = 113,492.60 : x
  2. Step 2: Convert to fraction form
    379,825.08/569,558.10 = 113,492.60/x
  3. Step 3: Cross multiply
    379,825.08x = 569,558.10 × 113,492.60
  4. Step 4: Simplify right side
    379,825.08x = 64,640,629,620.06
  5. Step 5: Solve for x
    x = 64,640,629,620.06/379,825.08
  6. Step 6: Final answer
    x = 170,185.26

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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.