Home / 203,268.02-304,844.41-128,275.82

Finding the Fourth Proportional to 203,268.02, 304,844.41 and 128,275.82

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Solution

The fourth proportional to 203,268.02, 304,844.41 and 128,275.82 is: 192,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,268.02 : 304,844.41 = 128,275.82 : x
  2. Step 2: Convert to fraction form
    203,268.02/304,844.41 = 128,275.82/x
  3. Step 3: Cross multiply
    203,268.02x = 304,844.41 × 128,275.82
  4. Step 4: Simplify right side
    203,268.02x = 39,104,166,665.17
  5. Step 5: Solve for x
    x = 39,104,166,665.17/203,268.02
  6. Step 6: Final answer
    x = 192,377.37

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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.