Home / 383,286.46-528,946.25-213,531.52

Finding the Fourth Proportional to 383,286.46, 528,946.25 and 213,531.52

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Solution

The fourth proportional to 383,286.46, 528,946.25 and 213,531.52 is: 294,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,286.46 : 528,946.25 = 213,531.52 : x
  2. Step 2: Convert to fraction form
    383,286.46/528,946.25 = 213,531.52/x
  3. Step 3: Cross multiply
    383,286.46x = 528,946.25 × 213,531.52
  4. Step 4: Simplify right side
    383,286.46x = 112,946,699,098.87
  5. Step 5: Solve for x
    x = 112,946,699,098.87/383,286.46
  6. Step 6: Final answer
    x = 294,679.59

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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.