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Finding the Fourth Proportional to 337,205.94, 505,797.21 and 84,488.64

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Solution

The fourth proportional to 337,205.94, 505,797.21 and 84,488.64 is: 126,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,205.94 : 505,797.21 = 84,488.64 : x
  2. Step 2: Convert to fraction form
    337,205.94/505,797.21 = 84,488.64/x
  3. Step 3: Cross multiply
    337,205.94x = 505,797.21 × 84,488.64
  4. Step 4: Simplify right side
    337,205.94x = 42,734,118,388.69
  5. Step 5: Solve for x
    x = 42,734,118,388.69/337,205.94
  6. Step 6: Final answer
    x = 126,730.03

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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.