Home / 328,786.58-493,141.26-92,148.32

Finding the Fourth Proportional to 328,786.58, 493,141.26 and 92,148.32

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Solution

The fourth proportional to 328,786.58, 493,141.26 and 92,148.32 is: 138,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,786.58 : 493,141.26 = 92,148.32 : x
  2. Step 2: Convert to fraction form
    328,786.58/493,141.26 = 92,148.32/x
  3. Step 3: Cross multiply
    328,786.58x = 493,141.26 × 92,148.32
  4. Step 4: Simplify right side
    328,786.58x = 45,442,138,631.68
  5. Step 5: Solve for x
    x = 45,442,138,631.68/328,786.58
  6. Step 6: Final answer
    x = 138,211.66

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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.