Home / 306,056.20-459,084.30-164,338.60

Finding the Fourth Proportional to 306,056.20, 459,084.30 and 164,338.60

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Solution

The fourth proportional to 306,056.20, 459,084.30 and 164,338.60 is: 246,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,056.20 : 459,084.30 = 164,338.60 : x
  2. Step 2: Convert to fraction form
    306,056.20/459,084.30 = 164,338.60/x
  3. Step 3: Cross multiply
    306,056.20x = 459,084.30 × 164,338.60
  4. Step 4: Simplify right side
    306,056.20x = 75,445,271,143.98
  5. Step 5: Solve for x
    x = 75,445,271,143.98/306,056.20
  6. Step 6: Final answer
    x = 246,507.90

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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.