Home / 329,132.72-453,863.40-281,543.60

Finding the Fourth Proportional to 329,132.72, 453,863.40 and 281,543.60

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Solution

The fourth proportional to 329,132.72, 453,863.40 and 281,543.60 is: 388,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,132.72 : 453,863.40 = 281,543.60 : x
  2. Step 2: Convert to fraction form
    329,132.72/453,863.40 = 281,543.60/x
  3. Step 3: Cross multiply
    329,132.72x = 453,863.40 × 281,543.60
  4. Step 4: Simplify right side
    329,132.72x = 127,782,335,544.24
  5. Step 5: Solve for x
    x = 127,782,335,544.24/329,132.72
  6. Step 6: Final answer
    x = 388,239.54

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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.