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Finding the Fourth Proportional to 329,099.40, 493,321.05 and 151,296.30

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Solution

The fourth proportional to 329,099.40, 493,321.05 and 151,296.30 is: 226,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,099.40 : 493,321.05 = 151,296.30 : x
  2. Step 2: Convert to fraction form
    329,099.40/493,321.05 = 151,296.30/x
  3. Step 3: Cross multiply
    329,099.40x = 493,321.05 × 151,296.30
  4. Step 4: Simplify right side
    329,099.40x = 74,637,649,577.12
  5. Step 5: Solve for x
    x = 74,637,649,577.12/329,099.40
  6. Step 6: Final answer
    x = 226,793.64

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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.