Finding the Fourth Proportional to 248,586.42, 343,047.51 and 135,409.17
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Solution
The fourth proportional to 248,586.42, 343,047.51 and 135,409.17 is: 186,863.70
Step by Step Solution
- Step 1: Write the proportion equation
248,586.42 : 343,047.51 = 135,409.17 : x - Step 2: Convert to fraction form
248,586.42/343,047.51 = 135,409.17/x - Step 3: Cross multiply
248,586.42x = 343,047.51 × 135,409.17 - Step 4: Simplify right side
248,586.42x = 46,451,778,599.67 - Step 5: Solve for x
x = 46,451,778,599.67/248,586.42 - Step 6: Final answer
x = 186,863.70
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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.