Finding the Fourth Proportional to 248,991.29, 343,604.99 and 135,811.61
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Solution
The fourth proportional to 248,991.29, 343,604.99 and 135,811.61 is: 187,418.39
Step by Step Solution
- Step 1: Write the proportion equation
248,991.29 : 343,604.99 = 135,811.61 : x - Step 2: Convert to fraction form
248,991.29/343,604.99 = 135,811.61/x - Step 3: Cross multiply
248,991.29x = 343,604.99 × 135,811.61 - Step 4: Simplify right side
248,991.29x = 46,665,546,216.88 - Step 5: Solve for x
x = 46,665,546,216.88/248,991.29 - Step 6: Final answer
x = 187,418.39
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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.