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Finding the Fourth Proportional to 384,996.40, 577,106.84 and 160,481.10

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Solution

The fourth proportional to 384,996.40, 577,106.84 and 160,481.10 is: 240,560.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,996.40 : 577,106.84 = 160,481.10 : x
  2. Step 2: Convert to fraction form
    384,996.40/577,106.84 = 160,481.10/x
  3. Step 3: Cross multiply
    384,996.40x = 577,106.84 × 160,481.10
  4. Step 4: Simplify right side
    384,996.40x = 92,614,740,500.72
  5. Step 5: Solve for x
    x = 92,614,740,500.72/384,996.40
  6. Step 6: Final answer
    x = 240,560.02

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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.