Home / 279,314.46-417,074.27-271,747.62

Finding the Fourth Proportional to 279,314.46, 417,074.27 and 271,747.62

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Solution

The fourth proportional to 279,314.46, 417,074.27 and 271,747.62 is: 405,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,314.46 : 417,074.27 = 271,747.62 : x
  2. Step 2: Convert to fraction form
    279,314.46/417,074.27 = 271,747.62/x
  3. Step 3: Cross multiply
    279,314.46x = 417,074.27 × 271,747.62
  4. Step 4: Simplify right side
    279,314.46x = 113,338,938,877.00
  5. Step 5: Solve for x
    x = 113,338,938,877.00/279,314.46
  6. Step 6: Final answer
    x = 405,775.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.