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Finding the Fourth Proportional to 356,886, 535,536.36 and 159,894

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Solution

The fourth proportional to 356,886, 535,536.36 and 159,894 is: 239,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,886 : 535,536.36 = 159,894 : x
  2. Step 2: Convert to fraction form
    356,886/535,536.36 = 159,894/x
  3. Step 3: Cross multiply
    356,886x = 535,536.36 × 159,894
  4. Step 4: Simplify right side
    356,886x = 85,629,050,745.84
  5. Step 5: Solve for x
    x = 85,629,050,745.84/356,886
  6. Step 6: Final answer
    x = 239,933.90

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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.