Home / 358,485.30-494,716-195,146.50

Finding the Fourth Proportional to 358,485.30, 494,716 and 195,146.50

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Solution

The fourth proportional to 358,485.30, 494,716 and 195,146.50 is: 269,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,485.30 : 494,716 = 195,146.50 : x
  2. Step 2: Convert to fraction form
    358,485.30/494,716 = 195,146.50/x
  3. Step 3: Cross multiply
    358,485.30x = 494,716 × 195,146.50
  4. Step 4: Simplify right side
    358,485.30x = 96,542,095,894
  5. Step 5: Solve for x
    x = 96,542,095,894/358,485.30
  6. Step 6: Final answer
    x = 269,305.60

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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.