Home / 331,014.20-456,739.16-216,262.31

Finding the Fourth Proportional to 331,014.20, 456,739.16 and 216,262.31

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Solution

The fourth proportional to 331,014.20, 456,739.16 and 216,262.31 is: 298,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,014.20 : 456,739.16 = 216,262.31 : x
  2. Step 2: Convert to fraction form
    331,014.20/456,739.16 = 216,262.31/x
  3. Step 3: Cross multiply
    331,014.20x = 456,739.16 × 216,262.31
  4. Step 4: Simplify right side
    331,014.20x = 98,775,462,444.05
  5. Step 5: Solve for x
    x = 98,775,462,444.05/331,014.20
  6. Step 6: Final answer
    x = 298,402.50

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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.