Finding the Fourth Proportional to 248,320.94, 342,672.27 and 135,143.42
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Solution
The fourth proportional to 248,320.94, 342,672.27 and 135,143.42 is: 186,492.14
Step by Step Solution
- Step 1: Write the proportion equation
248,320.94 : 342,672.27 = 135,143.42 : x - Step 2: Convert to fraction form
248,320.94/342,672.27 = 135,143.42/x - Step 3: Cross multiply
248,320.94x = 342,672.27 × 135,143.42 - Step 4: Simplify right side
248,320.94x = 46,309,902,506.96 - Step 5: Solve for x
x = 46,309,902,506.96/248,320.94 - Step 6: Final answer
x = 186,492.14
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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.