Finding the Fourth Proportional to 117,136.70, 175,703.48 and 28,390.97
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Solution
The fourth proportional to 117,136.70, 175,703.48 and 28,390.97 is: 42,586.07
Step by Step Solution
- Step 1: Write the proportion equation
117,136.70 : 175,703.48 = 28,390.97 : x - Step 2: Convert to fraction form
117,136.70/175,703.48 = 28,390.97/x - Step 3: Cross multiply
117,136.70x = 175,703.48 × 28,390.97 - Step 4: Simplify right side
117,136.70x = 4,988,392,229.58 - Step 5: Solve for x
x = 4,988,392,229.58/117,136.70 - Step 6: Final answer
x = 42,586.07
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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.