Home / 487,890.49-673,278.15-267,127.33

Finding the Fourth Proportional to 487,890.49, 673,278.15 and 267,127.33

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Solution

The fourth proportional to 487,890.49, 673,278.15 and 267,127.33 is: 368,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,890.49 : 673,278.15 = 267,127.33 : x
  2. Step 2: Convert to fraction form
    487,890.49/673,278.15 = 267,127.33/x
  3. Step 3: Cross multiply
    487,890.49x = 673,278.15 × 267,127.33
  4. Step 4: Simplify right side
    487,890.49x = 179,850,994,556.84
  5. Step 5: Solve for x
    x = 179,850,994,556.84/487,890.49
  6. Step 6: Final answer
    x = 368,629.84

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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.