Home / 276,274.17-381,231.63-155,457.27

Finding the Fourth Proportional to 276,274.17, 381,231.63 and 155,457.27

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Solution

The fourth proportional to 276,274.17, 381,231.63 and 155,457.27 is: 214,515.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,274.17 : 381,231.63 = 155,457.27 : x
  2. Step 2: Convert to fraction form
    276,274.17/381,231.63 = 155,457.27/x
  3. Step 3: Cross multiply
    276,274.17x = 381,231.63 × 155,457.27
  4. Step 4: Simplify right side
    276,274.17x = 59,265,228,437.45
  5. Step 5: Solve for x
    x = 59,265,228,437.45/276,274.17
  6. Step 6: Final answer
    x = 214,515.99

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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.