Home / 276,660.72-381,820.50-169,302.24

Finding the Fourth Proportional to 276,660.72, 381,820.50 and 169,302.24

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Solution

The fourth proportional to 276,660.72, 381,820.50 and 169,302.24 is: 233,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,660.72 : 381,820.50 = 169,302.24 : x
  2. Step 2: Convert to fraction form
    276,660.72/381,820.50 = 169,302.24/x
  3. Step 3: Cross multiply
    276,660.72x = 381,820.50 × 169,302.24
  4. Step 4: Simplify right side
    276,660.72x = 64,643,065,927.92
  5. Step 5: Solve for x
    x = 64,643,065,927.92/276,660.72
  6. Step 6: Final answer
    x = 233,654.66

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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.