Home / 307,564.20-461,346.30-228,832.20

Finding the Fourth Proportional to 307,564.20, 461,346.30 and 228,832.20

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Solution

The fourth proportional to 307,564.20, 461,346.30 and 228,832.20 is: 343,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,564.20 : 461,346.30 = 228,832.20 : x
  2. Step 2: Convert to fraction form
    307,564.20/461,346.30 = 228,832.20/x
  3. Step 3: Cross multiply
    307,564.20x = 461,346.30 × 228,832.20
  4. Step 4: Simplify right side
    307,564.20x = 105,570,888,790.86
  5. Step 5: Solve for x
    x = 105,570,888,790.86/307,564.20
  6. Step 6: Final answer
    x = 343,248.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.