Finding the Fourth Proportional to 248,734.95, 343,252.94 and 135,556.71
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Solution
The fourth proportional to 248,734.95, 343,252.94 and 135,556.71 is: 187,067.55
Step by Step Solution
- Step 1: Write the proportion equation
248,734.95 : 343,252.94 = 135,556.71 : x - Step 2: Convert to fraction form
248,734.95/343,252.94 = 135,556.71/x - Step 3: Cross multiply
248,734.95x = 343,252.94 × 135,556.71 - Step 4: Simplify right side
248,734.95x = 46,530,238,566.44 - Step 5: Solve for x
x = 46,530,238,566.44/248,734.95 - Step 6: Final answer
x = 187,067.55
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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.