Home / 421,746.14-582,008.39-228,153.79

Finding the Fourth Proportional to 421,746.14, 582,008.39 and 228,153.79

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Solution

The fourth proportional to 421,746.14, 582,008.39 and 228,153.79 is: 314,851.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,746.14 : 582,008.39 = 228,153.79 : x
  2. Step 2: Convert to fraction form
    421,746.14/582,008.39 = 228,153.79/x
  3. Step 3: Cross multiply
    421,746.14x = 582,008.39 × 228,153.79
  4. Step 4: Simplify right side
    421,746.14x = 132,787,419,990.30
  5. Step 5: Solve for x
    x = 132,787,419,990.30/421,746.14
  6. Step 6: Final answer
    x = 314,851.54

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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.