Home / 352,514.75-486,419.02-201,582.59

Finding the Fourth Proportional to 352,514.75, 486,419.02 and 201,582.59

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Solution

The fourth proportional to 352,514.75, 486,419.02 and 201,582.59 is: 278,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,514.75 : 486,419.02 = 201,582.59 : x
  2. Step 2: Convert to fraction form
    352,514.75/486,419.02 = 201,582.59/x
  3. Step 3: Cross multiply
    352,514.75x = 486,419.02 × 201,582.59
  4. Step 4: Simplify right side
    352,514.75x = 98,053,602,436.85
  5. Step 5: Solve for x
    x = 98,053,602,436.85/352,514.75
  6. Step 6: Final answer
    x = 278,154.61

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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.