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Finding the Fourth Proportional to 555,002.80, 832,504.20 and 200,028.40

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Solution

The fourth proportional to 555,002.80, 832,504.20 and 200,028.40 is: 300,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,002.80 : 832,504.20 = 200,028.40 : x
  2. Step 2: Convert to fraction form
    555,002.80/832,504.20 = 200,028.40/x
  3. Step 3: Cross multiply
    555,002.80x = 832,504.20 × 200,028.40
  4. Step 4: Simplify right side
    555,002.80x = 166,524,483,119.28
  5. Step 5: Solve for x
    x = 166,524,483,119.28/555,002.80
  6. Step 6: Final answer
    x = 300,042.60

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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.