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Finding the Fourth Proportional to 252,998.66, 378,710.67 and 159,307.58

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Solution

The fourth proportional to 252,998.66, 378,710.67 and 159,307.58 is: 238,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,998.66 : 378,710.67 = 159,307.58 : x
  2. Step 2: Convert to fraction form
    252,998.66/378,710.67 = 159,307.58/x
  3. Step 3: Cross multiply
    252,998.66x = 378,710.67 × 159,307.58
  4. Step 4: Simplify right side
    252,998.66x = 60,331,480,357.88
  5. Step 5: Solve for x
    x = 60,331,480,357.88/252,998.66
  6. Step 6: Final answer
    x = 238,465.61

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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.