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Finding the Fourth Proportional to 256,069.10, 383,775.60 and 227,856.80

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Solution

The fourth proportional to 256,069.10, 383,775.60 and 227,856.80 is: 341,493.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,069.10 : 383,775.60 = 227,856.80 : x
  2. Step 2: Convert to fraction form
    256,069.10/383,775.60 = 227,856.80/x
  3. Step 3: Cross multiply
    256,069.10x = 383,775.60 × 227,856.80
  4. Step 4: Simplify right side
    256,069.10x = 87,445,880,134.08
  5. Step 5: Solve for x
    x = 87,445,880,134.08/256,069.10
  6. Step 6: Final answer
    x = 341,493.29

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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.