Finding the Fourth Proportional to 248,595.42, 343,059.93 and 135,418.17
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Solution
The fourth proportional to 248,595.42, 343,059.93 and 135,418.17 is: 186,876.12
Step by Step Solution
- Step 1: Write the proportion equation
248,595.42 : 343,059.93 = 135,418.17 : x - Step 2: Convert to fraction form
248,595.42/343,059.93 = 135,418.17/x - Step 3: Cross multiply
248,595.42x = 343,059.93 × 135,418.17 - Step 4: Simplify right side
248,595.42x = 46,456,547,920.93 - Step 5: Solve for x
x = 46,456,547,920.93/248,595.42 - Step 6: Final answer
x = 186,876.12
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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.