Home / 382,841.37-528,312.11-213,071.85

Finding the Fourth Proportional to 382,841.37, 528,312.11 and 213,071.85

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Solution

The fourth proportional to 382,841.37, 528,312.11 and 213,071.85 is: 294,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,841.37 : 528,312.11 = 213,071.85 : x
  2. Step 2: Convert to fraction form
    382,841.37/528,312.11 = 213,071.85/x
  3. Step 3: Cross multiply
    382,841.37x = 528,312.11 × 213,071.85
  4. Step 4: Simplify right side
    382,841.37x = 112,568,437,589.74
  5. Step 5: Solve for x
    x = 112,568,437,589.74/382,841.37
  6. Step 6: Final answer
    x = 294,034.15

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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.