Home / 274,144.79-378,400.26-159,450.41

Finding the Fourth Proportional to 274,144.79, 378,400.26 and 159,450.41

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Solution

The fourth proportional to 274,144.79, 378,400.26 and 159,450.41 is: 220,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,144.79 : 378,400.26 = 159,450.41 : x
  2. Step 2: Convert to fraction form
    274,144.79/378,400.26 = 159,450.41/x
  3. Step 3: Cross multiply
    274,144.79x = 378,400.26 × 159,450.41
  4. Step 4: Simplify right side
    274,144.79x = 60,336,074,709.11
  5. Step 5: Solve for x
    x = 60,336,074,709.11/274,144.79
  6. Step 6: Final answer
    x = 220,088.35

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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.