Home / 276,764.01-381,970.98-155,929.23

Finding the Fourth Proportional to 276,764.01, 381,970.98 and 155,929.23

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Solution

The fourth proportional to 276,764.01, 381,970.98 and 155,929.23 is: 215,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,764.01 : 381,970.98 = 155,929.23 : x
  2. Step 2: Convert to fraction form
    276,764.01/381,970.98 = 155,929.23/x
  3. Step 3: Cross multiply
    276,764.01x = 381,970.98 × 155,929.23
  4. Step 4: Simplify right side
    276,764.01x = 59,560,440,793.75
  5. Step 5: Solve for x
    x = 59,560,440,793.75/276,764.01
  6. Step 6: Final answer
    x = 215,202.98

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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.