Home / 538,940.20-808,272.36-159,772.27

Finding the Fourth Proportional to 538,940.20, 808,272.36 and 159,772.27

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Solution

The fourth proportional to 538,940.20, 808,272.36 and 159,772.27 is: 239,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,940.20 : 808,272.36 = 159,772.27 : x
  2. Step 2: Convert to fraction form
    538,940.20/808,272.36 = 159,772.27/x
  3. Step 3: Cross multiply
    538,940.20x = 808,272.36 × 159,772.27
  4. Step 4: Simplify right side
    538,940.20x = 129,139,510,134.89
  5. Step 5: Solve for x
    x = 129,139,510,134.89/538,940.20
  6. Step 6: Final answer
    x = 239,617.51

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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.