Home / 306,739.24-423,291.89-170,773.25

Finding the Fourth Proportional to 306,739.24, 423,291.89 and 170,773.25

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Solution

The fourth proportional to 306,739.24, 423,291.89 and 170,773.25 is: 235,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,739.24 : 423,291.89 = 170,773.25 : x
  2. Step 2: Convert to fraction form
    306,739.24/423,291.89 = 170,773.25/x
  3. Step 3: Cross multiply
    306,739.24x = 423,291.89 × 170,773.25
  4. Step 4: Simplify right side
    306,739.24x = 72,286,930,064.42
  5. Step 5: Solve for x
    x = 72,286,930,064.42/306,739.24
  6. Step 6: Final answer
    x = 235,662.48

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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.