Finding the Fourth Proportional to 239,418.80, 330,400.49 and 131,992.68
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Solution
The fourth proportional to 239,418.80, 330,400.49 and 131,992.68 is: 182,151.30
Step by Step Solution
- Step 1: Write the proportion equation
239,418.80 : 330,400.49 = 131,992.68 : x - Step 2: Convert to fraction form
239,418.80/330,400.49 = 131,992.68/x - Step 3: Cross multiply
239,418.80x = 330,400.49 × 131,992.68 - Step 4: Simplify right side
239,418.80x = 43,610,446,787.75 - Step 5: Solve for x
x = 43,610,446,787.75/239,418.80 - Step 6: Final answer
x = 182,151.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.