Home / 304,383.31-456,595-79,749.25

Finding the Fourth Proportional to 304,383.31, 456,595 and 79,749.25

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Solution

The fourth proportional to 304,383.31, 456,595 and 79,749.25 is: 119,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,383.31 : 456,595 = 79,749.25 : x
  2. Step 2: Convert to fraction form
    304,383.31/456,595 = 79,749.25/x
  3. Step 3: Cross multiply
    304,383.31x = 456,595 × 79,749.25
  4. Step 4: Simplify right side
    304,383.31x = 36,413,108,803.75
  5. Step 5: Solve for x
    x = 36,413,108,803.75/304,383.31
  6. Step 6: Final answer
    x = 119,629.12

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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.