Home / 338,825.48-467,572.02-209,729.66

Finding the Fourth Proportional to 338,825.48, 467,572.02 and 209,729.66

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Solution

The fourth proportional to 338,825.48, 467,572.02 and 209,729.66 is: 289,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,825.48 : 467,572.02 = 209,729.66 : x
  2. Step 2: Convert to fraction form
    338,825.48/467,572.02 = 209,729.66/x
  3. Step 3: Cross multiply
    338,825.48x = 467,572.02 × 209,729.66
  4. Step 4: Simplify right side
    338,825.48x = 98,063,720,780.11
  5. Step 5: Solve for x
    x = 98,063,720,780.11/338,825.48
  6. Step 6: Final answer
    x = 289,422.51

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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.