Finding the Fourth Proportional to 117,029.62, 175,549.29 and 38,144.53
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Solution
The fourth proportional to 117,029.62, 175,549.29 and 38,144.53 is: 57,218.38
Step by Step Solution
- Step 1: Write the proportion equation
117,029.62 : 175,549.29 = 38,144.53 : x - Step 2: Convert to fraction form
117,029.62/175,549.29 = 38,144.53/x - Step 3: Cross multiply
117,029.62x = 175,549.29 × 38,144.53 - Step 4: Simplify right side
117,029.62x = 6,696,245,158.88 - Step 5: Solve for x
x = 6,696,245,158.88/117,029.62 - Step 6: Final answer
x = 57,218.38
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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.