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Finding the Fourth Proportional to 383,955.94, 529,873.62 and 214,222.84

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Solution

The fourth proportional to 383,955.94, 529,873.62 and 214,222.84 is: 295,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,955.94 : 529,873.62 = 214,222.84 : x
  2. Step 2: Convert to fraction form
    383,955.94/529,873.62 = 214,222.84/x
  3. Step 3: Cross multiply
    383,955.94x = 529,873.62 × 214,222.84
  4. Step 4: Simplify right side
    383,955.94x = 113,511,031,717.48
  5. Step 5: Solve for x
    x = 113,511,031,717.48/383,955.94
  6. Step 6: Final answer
    x = 295,635.57

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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.