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Finding the Fourth Proportional to 245,967.62, 368,562.83 and 185,710.91

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Solution

The fourth proportional to 245,967.62, 368,562.83 and 185,710.91 is: 278,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,967.62 : 368,562.83 = 185,710.91 : x
  2. Step 2: Convert to fraction form
    245,967.62/368,562.83 = 185,710.91/x
  3. Step 3: Cross multiply
    245,967.62x = 368,562.83 × 185,710.91
  4. Step 4: Simplify right side
    245,967.62x = 68,446,135,780.11
  5. Step 5: Solve for x
    x = 68,446,135,780.11/245,967.62
  6. Step 6: Final answer
    x = 278,272.96

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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.