Home / 383,346.24-529,016.64-213,578.88

Finding the Fourth Proportional to 383,346.24, 529,016.64 and 213,578.88

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Solution

The fourth proportional to 383,346.24, 529,016.64 and 213,578.88 is: 294,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,346.24 : 529,016.64 = 213,578.88 : x
  2. Step 2: Convert to fraction form
    383,346.24/529,016.64 = 213,578.88/x
  3. Step 3: Cross multiply
    383,346.24x = 529,016.64 × 213,578.88
  4. Step 4: Simplify right side
    383,346.24x = 112,986,781,472.56
  5. Step 5: Solve for x
    x = 112,986,781,472.56/383,346.24
  6. Step 6: Final answer
    x = 294,738.20

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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.