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Finding the Fourth Proportional to 251,696.96, 377,545.44 and 64,708.64

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Solution

The fourth proportional to 251,696.96, 377,545.44 and 64,708.64 is: 97,062.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,696.96 : 377,545.44 = 64,708.64 : x
  2. Step 2: Convert to fraction form
    251,696.96/377,545.44 = 64,708.64/x
  3. Step 3: Cross multiply
    251,696.96x = 377,545.44 × 64,708.64
  4. Step 4: Simplify right side
    251,696.96x = 24,430,451,960.60
  5. Step 5: Solve for x
    x = 24,430,451,960.60/251,696.96
  6. Step 6: Final answer
    x = 97,062.96

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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.