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Finding the Fourth Proportional to 481,454.10, 721,853.10 and 228,855.60

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Solution

The fourth proportional to 481,454.10, 721,853.10 and 228,855.60 is: 343,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,454.10 : 721,853.10 = 228,855.60 : x
  2. Step 2: Convert to fraction form
    481,454.10/721,853.10 = 228,855.60/x
  3. Step 3: Cross multiply
    481,454.10x = 721,853.10 × 228,855.60
  4. Step 4: Simplify right side
    481,454.10x = 165,200,124,312.36
  5. Step 5: Solve for x
    x = 165,200,124,312.36/481,454.10
  6. Step 6: Final answer
    x = 343,127.46

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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.