Finding the Fourth Proportional to 248,553.24, 343,003.86 and 135,376.44
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Solution
The fourth proportional to 248,553.24, 343,003.86 and 135,376.44 is: 186,819.70
Step by Step Solution
- Step 1: Write the proportion equation
248,553.24 : 343,003.86 = 135,376.44 : x - Step 2: Convert to fraction form
248,553.24/343,003.86 = 135,376.44/x - Step 3: Cross multiply
248,553.24x = 343,003.86 × 135,376.44 - Step 4: Simplify right side
248,553.24x = 46,434,641,473.06 - Step 5: Solve for x
x = 46,434,641,473.06/248,553.24 - Step 6: Final answer
x = 186,819.70
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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.