Home / 329,977.52-455,024.76-195,815.60

Finding the Fourth Proportional to 329,977.52, 455,024.76 and 195,815.60

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Solution

The fourth proportional to 329,977.52, 455,024.76 and 195,815.60 is: 270,021.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,977.52 : 455,024.76 = 195,815.60 : x
  2. Step 2: Convert to fraction form
    329,977.52/455,024.76 = 195,815.60/x
  3. Step 3: Cross multiply
    329,977.52x = 455,024.76 × 195,815.60
  4. Step 4: Simplify right side
    329,977.52x = 89,100,946,394.26
  5. Step 5: Solve for x
    x = 89,100,946,394.26/329,977.52
  6. Step 6: Final answer
    x = 270,021.26

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1.5x scale

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.