Home / 336,960.96-505,439.40-84,240.24

Finding the Fourth Proportional to 336,960.96, 505,439.40 and 84,240.24

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Solution

The fourth proportional to 336,960.96, 505,439.40 and 84,240.24 is: 126,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,960.96 : 505,439.40 = 84,240.24 : x
  2. Step 2: Convert to fraction form
    336,960.96/505,439.40 = 84,240.24/x
  3. Step 3: Cross multiply
    336,960.96x = 505,439.40 × 84,240.24
  4. Step 4: Simplify right side
    336,960.96x = 42,578,336,361.46
  5. Step 5: Solve for x
    x = 42,578,336,361.46/336,960.96
  6. Step 6: Final answer
    x = 126,359.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.