Home / 383,741.69-529,556.81-211,675.37

Finding the Fourth Proportional to 383,741.69, 529,556.81 and 211,675.37

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Solution

The fourth proportional to 383,741.69, 529,556.81 and 211,675.37 is: 292,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,741.69 : 529,556.81 = 211,675.37 : x
  2. Step 2: Convert to fraction form
    383,741.69/529,556.81 = 211,675.37/x
  3. Step 3: Cross multiply
    383,741.69x = 529,556.81 × 211,675.37
  4. Step 4: Simplify right side
    383,741.69x = 112,094,129,986.61
  5. Step 5: Solve for x
    x = 112,094,129,986.61/383,741.69
  6. Step 6: Final answer
    x = 292,108.30

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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.