Home / 329,110.70-493,667.87-92,455.43

Finding the Fourth Proportional to 329,110.70, 493,667.87 and 92,455.43

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Solution

The fourth proportional to 329,110.70, 493,667.87 and 92,455.43 is: 138,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,110.70 : 493,667.87 = 92,455.43 : x
  2. Step 2: Convert to fraction form
    329,110.70/493,667.87 = 92,455.43/x
  3. Step 3: Cross multiply
    329,110.70x = 493,667.87 × 92,455.43
  4. Step 4: Simplify right side
    329,110.70x = 45,642,272,267.42
  5. Step 5: Solve for x
    x = 45,642,272,267.42/329,110.70
  6. Step 6: Final answer
    x = 138,683.65

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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.