Home / 229,825.40-344,738.10-205,719.80

Finding the Fourth Proportional to 229,825.40, 344,738.10 and 205,719.80

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Solution

The fourth proportional to 229,825.40, 344,738.10 and 205,719.80 is: 308,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,825.40 : 344,738.10 = 205,719.80 : x
  2. Step 2: Convert to fraction form
    229,825.40/344,738.10 = 205,719.80/x
  3. Step 3: Cross multiply
    229,825.40x = 344,738.10 × 205,719.80
  4. Step 4: Simplify right side
    229,825.40x = 70,919,452,984.38
  5. Step 5: Solve for x
    x = 70,919,452,984.38/229,825.40
  6. Step 6: Final answer
    x = 308,579.70

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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.