Home / 276,635.08-381,760.02-161,985.16

Finding the Fourth Proportional to 276,635.08, 381,760.02 and 161,985.16

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Solution

The fourth proportional to 276,635.08, 381,760.02 and 161,985.16 is: 223,541.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,635.08 : 381,760.02 = 161,985.16 : x
  2. Step 2: Convert to fraction form
    276,635.08/381,760.02 = 161,985.16/x
  3. Step 3: Cross multiply
    276,635.08x = 381,760.02 × 161,985.16
  4. Step 4: Simplify right side
    276,635.08x = 61,839,457,921.30
  5. Step 5: Solve for x
    x = 61,839,457,921.30/276,635.08
  6. Step 6: Final answer
    x = 223,541.63

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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.