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Finding the Fourth Proportional to 306,445.26, 459,667.89 and 96,099.60

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Solution

The fourth proportional to 306,445.26, 459,667.89 and 96,099.60 is: 144,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,445.26 : 459,667.89 = 96,099.60 : x
  2. Step 2: Convert to fraction form
    306,445.26/459,667.89 = 96,099.60/x
  3. Step 3: Cross multiply
    306,445.26x = 459,667.89 × 96,099.60
  4. Step 4: Simplify right side
    306,445.26x = 44,173,900,361.84
  5. Step 5: Solve for x
    x = 44,173,900,361.84/306,445.26
  6. Step 6: Final answer
    x = 144,149.40

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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.