Home / 276,394.04-381,402.86-163,195

Finding the Fourth Proportional to 276,394.04, 381,402.86 and 163,195

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Solution

The fourth proportional to 276,394.04, 381,402.86 and 163,195 is: 225,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,394.04 : 381,402.86 = 163,195 : x
  2. Step 2: Convert to fraction form
    276,394.04/381,402.86 = 163,195/x
  3. Step 3: Cross multiply
    276,394.04x = 381,402.86 × 163,195
  4. Step 4: Simplify right side
    276,394.04x = 62,243,039,737.70
  5. Step 5: Solve for x
    x = 62,243,039,737.70/276,394.04
  6. Step 6: Final answer
    x = 225,196.75

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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.