Finding the Fourth Proportional to 190,784.35, 263,283.42 and 119,205.88
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Solution
The fourth proportional to 190,784.35, 263,283.42 and 119,205.88 is: 164,504.75
Step by Step Solution
- Step 1: Write the proportion equation
190,784.35 : 263,283.42 = 119,205.88 : x - Step 2: Convert to fraction form
190,784.35/263,283.42 = 119,205.88/x - Step 3: Cross multiply
190,784.35x = 263,283.42 × 119,205.88 - Step 4: Simplify right side
190,784.35x = 31,384,931,770.51 - Step 5: Solve for x
x = 31,384,931,770.51/190,784.35 - Step 6: Final answer
x = 164,504.75
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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.