Home / 329,986.52-455,037.18-195,824.60

Finding the Fourth Proportional to 329,986.52, 455,037.18 and 195,824.60

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Solution

The fourth proportional to 329,986.52, 455,037.18 and 195,824.60 is: 270,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,986.52 : 455,037.18 = 195,824.60 : x
  2. Step 2: Convert to fraction form
    329,986.52/455,037.18 = 195,824.60/x
  3. Step 3: Cross multiply
    329,986.52x = 455,037.18 × 195,824.60
  4. Step 4: Simplify right side
    329,986.52x = 89,107,473,758.63
  5. Step 5: Solve for x
    x = 89,107,473,758.63/329,986.52
  6. Step 6: Final answer
    x = 270,033.68

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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.