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Finding the Fourth Proportional to 304,940.50, 457,388.78 and 94,572.97

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Solution

The fourth proportional to 304,940.50, 457,388.78 and 94,572.97 is: 141,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,940.50 : 457,388.78 = 94,572.97 : x
  2. Step 2: Convert to fraction form
    304,940.50/457,388.78 = 94,572.97/x
  3. Step 3: Cross multiply
    304,940.50x = 457,388.78 × 94,572.97
  4. Step 4: Simplify right side
    304,940.50x = 43,256,613,752.94
  5. Step 5: Solve for x
    x = 43,256,613,752.94/304,940.50
  6. Step 6: Final answer
    x = 141,852.64

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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.