Home / 282,278.38-389,007.19-277,090.84

Finding the Fourth Proportional to 282,278.38, 389,007.19 and 277,090.84

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Solution

The fourth proportional to 282,278.38, 389,007.19 and 277,090.84 is: 381,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,278.38 : 389,007.19 = 277,090.84 : x
  2. Step 2: Convert to fraction form
    282,278.38/389,007.19 = 277,090.84/x
  3. Step 3: Cross multiply
    282,278.38x = 389,007.19 × 277,090.84
  4. Step 4: Simplify right side
    282,278.38x = 107,790,329,043.14
  5. Step 5: Solve for x
    x = 107,790,329,043.14/282,278.38
  6. Step 6: Final answer
    x = 381,858.25

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1.5x scale

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.