Home / 282,275.38-389,003.06-277,087.84

Finding the Fourth Proportional to 282,275.38, 389,003.06 and 277,087.84

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Solution

The fourth proportional to 282,275.38, 389,003.06 and 277,087.84 is: 381,854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,275.38 : 389,003.06 = 277,087.84 : x
  2. Step 2: Convert to fraction form
    282,275.38/389,003.06 = 277,087.84/x
  3. Step 3: Cross multiply
    282,275.38x = 389,003.06 × 277,087.84
  4. Step 4: Simplify right side
    282,275.38x = 107,788,015,810.38
  5. Step 5: Solve for x
    x = 107,788,015,810.38/282,275.38
  6. Step 6: Final answer
    x = 381,854.11

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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.