Home / 330,912.24-456,813.72-211,749.36

Finding the Fourth Proportional to 330,912.24, 456,813.72 and 211,749.36

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Solution

The fourth proportional to 330,912.24, 456,813.72 and 211,749.36 is: 292,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,912.24 : 456,813.72 = 211,749.36 : x
  2. Step 2: Convert to fraction form
    330,912.24/456,813.72 = 211,749.36/x
  3. Step 3: Cross multiply
    330,912.24x = 456,813.72 × 211,749.36
  4. Step 4: Simplify right side
    330,912.24x = 96,730,012,849.22
  5. Step 5: Solve for x
    x = 96,730,012,849.22/330,912.24
  6. Step 6: Final answer
    x = 292,313.19

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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.