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Finding the Fourth Proportional to 356,695.30, 492,228.86 and 195,544.84

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Solution

The fourth proportional to 356,695.30, 492,228.86 and 195,544.84 is: 269,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,695.30 : 492,228.86 = 195,544.84 : x
  2. Step 2: Convert to fraction form
    356,695.30/492,228.86 = 195,544.84/x
  3. Step 3: Cross multiply
    356,695.30x = 492,228.86 × 195,544.84
  4. Step 4: Simplify right side
    356,695.30x = 96,252,813,672.08
  5. Step 5: Solve for x
    x = 96,252,813,672.08/356,695.30
  6. Step 6: Final answer
    x = 269,846.04

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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.