Home / 276,463.24-381,702.90-212,688.52

Finding the Fourth Proportional to 276,463.24, 381,702.90 and 212,688.52

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Solution

The fourth proportional to 276,463.24, 381,702.90 and 212,688.52 is: 293,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,463.24 : 381,702.90 = 212,688.52 : x
  2. Step 2: Convert to fraction form
    276,463.24/381,702.90 = 212,688.52/x
  3. Step 3: Cross multiply
    276,463.24x = 381,702.90 × 212,688.52
  4. Step 4: Simplify right side
    276,463.24x = 81,183,824,880.71
  5. Step 5: Solve for x
    x = 81,183,824,880.71/276,463.24
  6. Step 6: Final answer
    x = 293,651.43

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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.