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Finding the Fourth Proportional to 228,062.04, 342,093.06 and 61,845.72

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Solution

The fourth proportional to 228,062.04, 342,093.06 and 61,845.72 is: 92,768.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,062.04 : 342,093.06 = 61,845.72 : x
  2. Step 2: Convert to fraction form
    228,062.04/342,093.06 = 61,845.72/x
  3. Step 3: Cross multiply
    228,062.04x = 342,093.06 × 61,845.72
  4. Step 4: Simplify right side
    228,062.04x = 21,156,991,602.70
  5. Step 5: Solve for x
    x = 21,156,991,602.70/228,062.04
  6. Step 6: Final answer
    x = 92,768.58

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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.