Home / 271,819.95-407,698.23-72,155.85

Finding the Fourth Proportional to 271,819.95, 407,698.23 and 72,155.85

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Solution

The fourth proportional to 271,819.95, 407,698.23 and 72,155.85 is: 108,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,819.95 : 407,698.23 = 72,155.85 : x
  2. Step 2: Convert to fraction form
    271,819.95/407,698.23 = 72,155.85/x
  3. Step 3: Cross multiply
    271,819.95x = 407,698.23 × 72,155.85
  4. Step 4: Simplify right side
    271,819.95x = 29,417,812,329.15
  5. Step 5: Solve for x
    x = 29,417,812,329.15/271,819.95
  6. Step 6: Final answer
    x = 108,225.36

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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.