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Finding the Fourth Proportional to 280,059.92, 386,467.34 and 159,184.44

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Solution

The fourth proportional to 280,059.92, 386,467.34 and 159,184.44 is: 219,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,059.92 : 386,467.34 = 159,184.44 : x
  2. Step 2: Convert to fraction form
    280,059.92/386,467.34 = 159,184.44/x
  3. Step 3: Cross multiply
    280,059.92x = 386,467.34 × 159,184.44
  4. Step 4: Simplify right side
    280,059.92x = 61,519,587,096.19
  5. Step 5: Solve for x
    x = 61,519,587,096.19/280,059.92
  6. Step 6: Final answer
    x = 219,665.80

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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.