Home / 230,575.08-343,570.56-205,421.88

Finding the Fourth Proportional to 230,575.08, 343,570.56 and 205,421.88

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Solution

The fourth proportional to 230,575.08, 343,570.56 and 205,421.88 is: 306,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,575.08 : 343,570.56 = 205,421.88 : x
  2. Step 2: Convert to fraction form
    230,575.08/343,570.56 = 205,421.88/x
  3. Step 3: Cross multiply
    230,575.08x = 343,570.56 × 205,421.88
  4. Step 4: Simplify right side
    230,575.08x = 70,576,910,347.85
  5. Step 5: Solve for x
    x = 70,576,910,347.85/230,575.08
  6. Step 6: Final answer
    x = 306,090.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.