Home / 380,035.60-524,367.44-229,129.36

Finding the Fourth Proportional to 380,035.60, 524,367.44 and 229,129.36

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Solution

The fourth proportional to 380,035.60, 524,367.44 and 229,129.36 is: 316,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,035.60 : 524,367.44 = 229,129.36 : x
  2. Step 2: Convert to fraction form
    380,035.60/524,367.44 = 229,129.36/x
  3. Step 3: Cross multiply
    380,035.60x = 524,367.44 × 229,129.36
  4. Step 4: Simplify right side
    380,035.60x = 120,147,975,932.04
  5. Step 5: Solve for x
    x = 120,147,975,932.04/380,035.60
  6. Step 6: Final answer
    x = 316,149.27

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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.