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Finding the Fourth Proportional to 355,584.52, 490,493.46 and 234,728.20

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Solution

The fourth proportional to 355,584.52, 490,493.46 and 234,728.20 is: 323,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,584.52 : 490,493.46 = 234,728.20 : x
  2. Step 2: Convert to fraction form
    355,584.52/490,493.46 = 234,728.20/x
  3. Step 3: Cross multiply
    355,584.52x = 490,493.46 × 234,728.20
  4. Step 4: Simplify right side
    355,584.52x = 115,132,646,977.57
  5. Step 5: Solve for x
    x = 115,132,646,977.57/355,584.52
  6. Step 6: Final answer
    x = 323,784.19

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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.