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Finding the Fourth Proportional to 203,260.26, 305,077.77 and 103,492.38

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Solution

The fourth proportional to 203,260.26, 305,077.77 and 103,492.38 is: 155,333.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,260.26 : 305,077.77 = 103,492.38 : x
  2. Step 2: Convert to fraction form
    203,260.26/305,077.77 = 103,492.38/x
  3. Step 3: Cross multiply
    203,260.26x = 305,077.77 × 103,492.38
  4. Step 4: Simplify right side
    203,260.26x = 31,573,224,502.39
  5. Step 5: Solve for x
    x = 31,573,224,502.39/203,260.26
  6. Step 6: Final answer
    x = 155,333.98

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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.