Finding the Fourth Proportional to 241,239.14, 361,766.31 and 81,272.08
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Solution
The fourth proportional to 241,239.14, 361,766.31 and 81,272.08 is: 121,876.99
Step by Step Solution
- Step 1: Write the proportion equation
241,239.14 : 361,766.31 = 81,272.08 : x - Step 2: Convert to fraction form
241,239.14/361,766.31 = 81,272.08/x - Step 3: Cross multiply
241,239.14x = 361,766.31 × 81,272.08 - Step 4: Simplify right side
241,239.14x = 29,401,500,487.62 - Step 5: Solve for x
x = 29,401,500,487.62/241,239.14 - Step 6: Final answer
x = 121,876.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.