Home / 254,821.06-380,081.57-221,277.34

Finding the Fourth Proportional to 254,821.06, 380,081.57 and 221,277.34

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Solution

The fourth proportional to 254,821.06, 380,081.57 and 221,277.34 is: 330,049.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,821.06 : 380,081.57 = 221,277.34 : x
  2. Step 2: Convert to fraction form
    254,821.06/380,081.57 = 221,277.34/x
  3. Step 3: Cross multiply
    254,821.06x = 380,081.57 × 221,277.34
  4. Step 4: Simplify right side
    254,821.06x = 84,103,438,792.62
  5. Step 5: Solve for x
    x = 84,103,438,792.62/254,821.06
  6. Step 6: Final answer
    x = 330,049.01

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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.