Finding the Fourth Proportional to 248,352,617.92, 340,244,630 and 239,043,695.68
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Solution
The fourth proportional to 248,352,617.92, 340,244,630 and 239,043,695.68 is: 327,491,348.68
Step by Step Solution
- Step 1: Write the proportion equation
248,352,617.92 : 340,244,630 = 239,043,695.68 : x - Step 2: Convert to fraction form
248,352,617.92/340,244,630 = 239,043,695.68/x - Step 3: Cross multiply
248,352,617.92x = 340,244,630 × 239,043,695.68 - Step 4: Simplify right side
248,352,617.92x = 81,333,333,790,474,208 - Step 5: Solve for x
x = 81,333,333,790,474,208/248,352,617.92 - Step 6: Final answer
x = 327,491,348.68
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.