Home / 276,575.09-381,710.63-161,888.81

Finding the Fourth Proportional to 276,575.09, 381,710.63 and 161,888.81

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Solution

The fourth proportional to 276,575.09, 381,710.63 and 161,888.81 is: 223,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,575.09 : 381,710.63 = 161,888.81 : x
  2. Step 2: Convert to fraction form
    276,575.09/381,710.63 = 161,888.81/x
  3. Step 3: Cross multiply
    276,575.09x = 381,710.63 × 161,888.81
  4. Step 4: Simplify right side
    276,575.09x = 61,794,679,655.05
  5. Step 5: Solve for x
    x = 61,794,679,655.05/276,575.09
  6. Step 6: Final answer
    x = 223,428.22

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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.