Home / 278,283.36-384,028.38-150,959.46

Finding the Fourth Proportional to 278,283.36, 384,028.38 and 150,959.46

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Solution

The fourth proportional to 278,283.36, 384,028.38 and 150,959.46 is: 208,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,283.36 : 384,028.38 = 150,959.46 : x
  2. Step 2: Convert to fraction form
    278,283.36/384,028.38 = 150,959.46/x
  3. Step 3: Cross multiply
    278,283.36x = 384,028.38 × 150,959.46
  4. Step 4: Simplify right side
    278,283.36x = 57,972,716,869.47
  5. Step 5: Solve for x
    x = 57,972,716,869.47/278,283.36
  6. Step 6: Final answer
    x = 208,322.61

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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.