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Finding the Fourth Proportional to 270,861.78, 373,851.47 and 180,221.57

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Solution

The fourth proportional to 270,861.78, 373,851.47 and 180,221.57 is: 248,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,861.78 : 373,851.47 = 180,221.57 : x
  2. Step 2: Convert to fraction form
    270,861.78/373,851.47 = 180,221.57/x
  3. Step 3: Cross multiply
    270,861.78x = 373,851.47 × 180,221.57
  4. Step 4: Simplify right side
    270,861.78x = 67,376,096,099.84
  5. Step 5: Solve for x
    x = 67,376,096,099.84/270,861.78
  6. Step 6: Final answer
    x = 248,747.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.