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Finding the Fourth Proportional to 203,696.60, 306,005.70 and 141,488.60

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Solution

The fourth proportional to 203,696.60, 306,005.70 and 141,488.60 is: 212,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,696.60 : 306,005.70 = 141,488.60 : x
  2. Step 2: Convert to fraction form
    203,696.60/306,005.70 = 141,488.60/x
  3. Step 3: Cross multiply
    203,696.60x = 306,005.70 × 141,488.60
  4. Step 4: Simplify right side
    203,696.60x = 43,296,318,085.02
  5. Step 5: Solve for x
    x = 43,296,318,085.02/203,696.60
  6. Step 6: Final answer
    x = 212,552.97

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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.