Home / 457,324.37-686,022.09-137,451.32

Finding the Fourth Proportional to 457,324.37, 686,022.09 and 137,451.32

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Solution

The fourth proportional to 457,324.37, 686,022.09 and 137,451.32 is: 206,187.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,324.37 : 686,022.09 = 137,451.32 : x
  2. Step 2: Convert to fraction form
    457,324.37/686,022.09 = 137,451.32/x
  3. Step 3: Cross multiply
    457,324.37x = 686,022.09 × 137,451.32
  4. Step 4: Simplify right side
    457,324.37x = 94,294,641,819.66
  5. Step 5: Solve for x
    x = 94,294,641,819.66/457,324.37
  6. Step 6: Final answer
    x = 206,187.66

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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.