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Finding the Fourth Proportional to 307,272.72, 460,976.74 and 94,042.26

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Solution

The fourth proportional to 307,272.72, 460,976.74 and 94,042.26 is: 141,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,272.72 : 460,976.74 = 94,042.26 : x
  2. Step 2: Convert to fraction form
    307,272.72/460,976.74 = 94,042.26/x
  3. Step 3: Cross multiply
    307,272.72x = 460,976.74 × 94,042.26
  4. Step 4: Simplify right side
    307,272.72x = 43,351,294,437.03
  5. Step 5: Solve for x
    x = 43,351,294,437.03/307,272.72
  6. Step 6: Final answer
    x = 141,084.10

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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.