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Finding the Fourth Proportional to 337,007.52, 505,563.12 and 126,660.24

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Solution

The fourth proportional to 337,007.52, 505,563.12 and 126,660.24 is: 190,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,007.52 : 505,563.12 = 126,660.24 : x
  2. Step 2: Convert to fraction form
    337,007.52/505,563.12 = 126,660.24/x
  3. Step 3: Cross multiply
    337,007.52x = 505,563.12 × 126,660.24
  4. Step 4: Simplify right side
    337,007.52x = 64,034,746,114.35
  5. Step 5: Solve for x
    x = 64,034,746,114.35/337,007.52
  6. Step 6: Final answer
    x = 190,009.84

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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.