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Finding the Fourth Proportional to 305,645.80, 458,468.70 and 180,922.60

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Solution

The fourth proportional to 305,645.80, 458,468.70 and 180,922.60 is: 271,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,645.80 : 458,468.70 = 180,922.60 : x
  2. Step 2: Convert to fraction form
    305,645.80/458,468.70 = 180,922.60/x
  3. Step 3: Cross multiply
    305,645.80x = 458,468.70 × 180,922.60
  4. Step 4: Simplify right side
    305,645.80x = 82,947,349,222.62
  5. Step 5: Solve for x
    x = 82,947,349,222.62/305,645.80
  6. Step 6: Final answer
    x = 271,383.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.