Finding the Fourth Proportional to 248,403.26, 372,355.75 and 115,376.94
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Solution
The fourth proportional to 248,403.26, 372,355.75 and 115,376.94 is: 172,949.69
Step by Step Solution
- Step 1: Write the proportion equation
248,403.26 : 372,355.75 = 115,376.94 : x - Step 2: Convert to fraction form
248,403.26/372,355.75 = 115,376.94/x - Step 3: Cross multiply
248,403.26x = 372,355.75 × 115,376.94 - Step 4: Simplify right side
248,403.26x = 42,961,267,026.41 - Step 5: Solve for x
x = 42,961,267,026.41/248,403.26 - Step 6: Final answer
x = 172,949.69
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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.