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Finding the Fourth Proportional to 227,404.08, 341,155.44 and 87,162.84

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Solution

The fourth proportional to 227,404.08, 341,155.44 and 87,162.84 is: 130,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,404.08 : 341,155.44 = 87,162.84 : x
  2. Step 2: Convert to fraction form
    227,404.08/341,155.44 = 87,162.84/x
  3. Step 3: Cross multiply
    227,404.08x = 341,155.44 × 87,162.84
  4. Step 4: Simplify right side
    227,404.08x = 29,736,077,031.85
  5. Step 5: Solve for x
    x = 29,736,077,031.85/227,404.08
  6. Step 6: Final answer
    x = 130,763.16

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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.