Home / 271,819.45-407,697.48-72,155.35

Finding the Fourth Proportional to 271,819.45, 407,697.48 and 72,155.35

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Solution

The fourth proportional to 271,819.45, 407,697.48 and 72,155.35 is: 108,224.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,819.45 : 407,697.48 = 72,155.35 : x
  2. Step 2: Convert to fraction form
    271,819.45/407,697.48 = 72,155.35/x
  3. Step 3: Cross multiply
    271,819.45x = 407,697.48 × 72,155.35
  4. Step 4: Simplify right side
    271,819.45x = 29,417,554,363.52
  5. Step 5: Solve for x
    x = 29,417,554,363.52/271,819.45
  6. Step 6: Final answer
    x = 108,224.61

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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.