Home / 352,814.70-486,926.03-209,575.32

Finding the Fourth Proportional to 352,814.70, 486,926.03 and 209,575.32

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Solution

The fourth proportional to 352,814.70, 486,926.03 and 209,575.32 is: 289,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,814.70 : 486,926.03 = 209,575.32 : x
  2. Step 2: Convert to fraction form
    352,814.70/486,926.03 = 209,575.32/x
  3. Step 3: Cross multiply
    352,814.70x = 486,926.03 × 209,575.32
  4. Step 4: Simplify right side
    352,814.70x = 102,047,677,505.70
  5. Step 5: Solve for x
    x = 102,047,677,505.70/352,814.70
  6. Step 6: Final answer
    x = 289,238.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.