Finding the Fourth Proportional to 248,676.36, 343,173.12 and 135,499.08
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Solution
The fourth proportional to 248,676.36, 343,173.12 and 135,499.08 is: 186,988.59
Step by Step Solution
- Step 1: Write the proportion equation
248,676.36 : 343,173.12 = 135,499.08 : x - Step 2: Convert to fraction form
248,676.36/343,173.12 = 135,499.08/x - Step 3: Cross multiply
248,676.36x = 343,173.12 × 135,499.08 - Step 4: Simplify right side
248,676.36x = 46,499,642,040.73 - Step 5: Solve for x
x = 46,499,642,040.73/248,676.36 - Step 6: Final answer
x = 186,988.59
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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.