Finding the Fourth Proportional to 248,604.12, 343,084.14 and 135,433.08
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Solution
The fourth proportional to 248,604.12, 343,084.14 and 135,433.08 is: 186,903.35
Step by Step Solution
- Step 1: Write the proportion equation
248,604.12 : 343,084.14 = 135,433.08 : x - Step 2: Convert to fraction form
248,604.12/343,084.14 = 135,433.08/x - Step 3: Cross multiply
248,604.12x = 343,084.14 × 135,433.08 - Step 4: Simplify right side
248,604.12x = 46,464,941,779.35 - Step 5: Solve for x
x = 46,464,941,779.35/248,604.12 - Step 6: Final answer
x = 186,903.35
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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.