Home / 276,709.23-381,859.53-160,445.22

Finding the Fourth Proportional to 276,709.23, 381,859.53 and 160,445.22

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Solution

The fourth proportional to 276,709.23, 381,859.53 and 160,445.22 is: 221,414.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,709.23 : 381,859.53 = 160,445.22 : x
  2. Step 2: Convert to fraction form
    276,709.23/381,859.53 = 160,445.22/x
  3. Step 3: Cross multiply
    276,709.23x = 381,859.53 × 160,445.22
  4. Step 4: Simplify right side
    276,709.23x = 61,267,536,299.95
  5. Step 5: Solve for x
    x = 61,267,536,299.95/276,709.23
  6. Step 6: Final answer
    x = 221,414.86

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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.