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Finding the Fourth Proportional to 304,481.97, 456,598.08 and 91,174.74

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Solution

The fourth proportional to 304,481.97, 456,598.08 and 91,174.74 is: 136,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,481.97 : 456,598.08 = 91,174.74 : x
  2. Step 2: Convert to fraction form
    304,481.97/456,598.08 = 91,174.74/x
  3. Step 3: Cross multiply
    304,481.97x = 456,598.08 × 91,174.74
  4. Step 4: Simplify right side
    304,481.97x = 41,630,211,228.50
  5. Step 5: Solve for x
    x = 41,630,211,228.50/304,481.97
  6. Step 6: Final answer
    x = 136,724.72

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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.