Home / 306,138.11-459,211.90-116,609.05

Finding the Fourth Proportional to 306,138.11, 459,211.90 and 116,609.05

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Solution

The fourth proportional to 306,138.11, 459,211.90 and 116,609.05 is: 174,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,138.11 : 459,211.90 = 116,609.05 : x
  2. Step 2: Convert to fraction form
    306,138.11/459,211.90 = 116,609.05/x
  3. Step 3: Cross multiply
    306,138.11x = 459,211.90 × 116,609.05
  4. Step 4: Simplify right side
    306,138.11x = 53,548,261,968.14
  5. Step 5: Solve for x
    x = 53,548,261,968.14/306,138.11
  6. Step 6: Final answer
    x = 174,915.37

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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.