Finding the Fourth Proportional to 248,796.34, 343,338.96 and 135,619.09
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Solution
The fourth proportional to 248,796.34, 343,338.96 and 135,619.09 is: 187,154.35
Step by Step Solution
- Step 1: Write the proportion equation
248,796.34 : 343,338.96 = 135,619.09 : x - Step 2: Convert to fraction form
248,796.34/343,338.96 = 135,619.09/x - Step 3: Cross multiply
248,796.34x = 343,338.96 × 135,619.09 - Step 4: Simplify right side
248,796.34x = 46,563,317,316.75 - Step 5: Solve for x
x = 46,563,317,316.75/248,796.34 - Step 6: Final answer
x = 187,154.35
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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.