Home / 276,394.24-381,419.59-155,535.46

Finding the Fourth Proportional to 276,394.24, 381,419.59 and 155,535.46

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Solution

The fourth proportional to 276,394.24, 381,419.59 and 155,535.46 is: 214,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,394.24 : 381,419.59 = 155,535.46 : x
  2. Step 2: Convert to fraction form
    276,394.24/381,419.59 = 155,535.46/x
  3. Step 3: Cross multiply
    276,394.24x = 381,419.59 × 155,535.46
  4. Step 4: Simplify right side
    276,394.24x = 59,324,271,383.66
  5. Step 5: Solve for x
    x = 59,324,271,383.66/276,394.24
  6. Step 6: Final answer
    x = 214,636.42

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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.