Home / 305,864.20-458,796.30-231,214.60

Finding the Fourth Proportional to 305,864.20, 458,796.30 and 231,214.60

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Solution

The fourth proportional to 305,864.20, 458,796.30 and 231,214.60 is: 346,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,864.20 : 458,796.30 = 231,214.60 : x
  2. Step 2: Convert to fraction form
    305,864.20/458,796.30 = 231,214.60/x
  3. Step 3: Cross multiply
    305,864.20x = 458,796.30 × 231,214.60
  4. Step 4: Simplify right side
    305,864.20x = 106,080,402,985.98
  5. Step 5: Solve for x
    x = 106,080,402,985.98/305,864.20
  6. Step 6: Final answer
    x = 346,821.90

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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.