Home / 352,495.10-527,965.05-212,008.70

Finding the Fourth Proportional to 352,495.10, 527,965.05 and 212,008.70

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Solution

The fourth proportional to 352,495.10, 527,965.05 and 212,008.70 is: 317,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,495.10 : 527,965.05 = 212,008.70 : x
  2. Step 2: Convert to fraction form
    352,495.10/527,965.05 = 212,008.70/x
  3. Step 3: Cross multiply
    352,495.10x = 527,965.05 × 212,008.70
  4. Step 4: Simplify right side
    352,495.10x = 111,933,183,895.94
  5. Step 5: Solve for x
    x = 111,933,183,895.94/352,495.10
  6. Step 6: Final answer
    x = 317,545.36

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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.