Home / 329,166.20-493,979.70-211,124.60

Finding the Fourth Proportional to 329,166.20, 493,979.70 and 211,124.60

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Solution

The fourth proportional to 329,166.20, 493,979.70 and 211,124.60 is: 316,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,166.20 : 493,979.70 = 211,124.60 : x
  2. Step 2: Convert to fraction form
    329,166.20/493,979.70 = 211,124.60/x
  3. Step 3: Cross multiply
    329,166.20x = 493,979.70 × 211,124.60
  4. Step 4: Simplify right side
    329,166.20x = 104,291,266,570.62
  5. Step 5: Solve for x
    x = 104,291,266,570.62/329,166.20
  6. Step 6: Final answer
    x = 316,834.68

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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.