Home / 382,975.23-528,506.60-213,215.43

Finding the Fourth Proportional to 382,975.23, 528,506.60 and 213,215.43

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Solution

The fourth proportional to 382,975.23, 528,506.60 and 213,215.43 is: 294,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,975.23 : 528,506.60 = 213,215.43 : x
  2. Step 2: Convert to fraction form
    382,975.23/528,506.60 = 213,215.43/x
  3. Step 3: Cross multiply
    382,975.23x = 528,506.60 × 213,215.43
  4. Step 4: Simplify right side
    382,975.23x = 112,685,760,910.76
  5. Step 5: Solve for x
    x = 112,685,760,910.76/382,975.23
  6. Step 6: Final answer
    x = 294,237.73

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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.