Finding the Fourth Proportional to 241,178.21, 361,770.36 and 91,378.26
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Solution
The fourth proportional to 241,178.21, 361,770.36 and 91,378.26 is: 137,068.54
Step by Step Solution
- Step 1: Write the proportion equation
241,178.21 : 361,770.36 = 91,378.26 : x - Step 2: Convert to fraction form
241,178.21/361,770.36 = 91,378.26/x - Step 3: Cross multiply
241,178.21x = 361,770.36 × 91,378.26 - Step 4: Simplify right side
241,178.21x = 33,057,944,321.74 - Step 5: Solve for x
x = 33,057,944,321.74/241,178.21 - Step 6: Final answer
x = 137,068.54
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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.