Home / 378,615.02-522,498.60-206,535.92

Finding the Fourth Proportional to 378,615.02, 522,498.60 and 206,535.92

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Solution

The fourth proportional to 378,615.02, 522,498.60 and 206,535.92 is: 285,024.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,615.02 : 522,498.60 = 206,535.92 : x
  2. Step 2: Convert to fraction form
    378,615.02/522,498.60 = 206,535.92/x
  3. Step 3: Cross multiply
    378,615.02x = 522,498.60 × 206,535.92
  4. Step 4: Simplify right side
    378,615.02x = 107,914,726,437.22
  5. Step 5: Solve for x
    x = 107,914,726,437.22/378,615.02
  6. Step 6: Final answer
    x = 285,024.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.