Home / 481,031.40-721,892.70-200,749.80

Finding the Fourth Proportional to 481,031.40, 721,892.70 and 200,749.80

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Solution

The fourth proportional to 481,031.40, 721,892.70 and 200,749.80 is: 301,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,031.40 : 721,892.70 = 200,749.80 : x
  2. Step 2: Convert to fraction form
    481,031.40/721,892.70 = 200,749.80/x
  3. Step 3: Cross multiply
    481,031.40x = 721,892.70 × 200,749.80
  4. Step 4: Simplify right side
    481,031.40x = 144,919,815,146.46
  5. Step 5: Solve for x
    x = 144,919,815,146.46/481,031.40
  6. Step 6: Final answer
    x = 301,268.93

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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.