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Finding the Fourth Proportional to 306,119.40, 459,179.10 and 306,119.40

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Solution

The fourth proportional to 306,119.40, 459,179.10 and 306,119.40 is: 459,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,119.40 : 459,179.10 = 306,119.40 : x
  2. Step 2: Convert to fraction form
    306,119.40/459,179.10 = 306,119.40/x
  3. Step 3: Cross multiply
    306,119.40x = 459,179.10 × 306,119.40
  4. Step 4: Simplify right side
    306,119.40x = 140,563,630,584.54
  5. Step 5: Solve for x
    x = 140,563,630,584.54/306,119.40
  6. Step 6: Final answer
    x = 459,179.10

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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.