Home / 309,525.08-427,321.58-236,793.96

Finding the Fourth Proportional to 309,525.08, 427,321.58 and 236,793.96

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Solution

The fourth proportional to 309,525.08, 427,321.58 and 236,793.96 is: 326,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,525.08 : 427,321.58 = 236,793.96 : x
  2. Step 2: Convert to fraction form
    309,525.08/427,321.58 = 236,793.96/x
  3. Step 3: Cross multiply
    309,525.08x = 427,321.58 × 236,793.96
  4. Step 4: Simplify right side
    309,525.08x = 101,187,167,937.69
  5. Step 5: Solve for x
    x = 101,187,167,937.69/309,525.08
  6. Step 6: Final answer
    x = 326,911.05

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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.