Finding the Fourth Proportional to 117,630.20, 176,153.70 and 94,302.20
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Solution
The fourth proportional to 117,630.20, 176,153.70 and 94,302.20 is: 141,219.53
Step by Step Solution
- Step 1: Write the proportion equation
117,630.20 : 176,153.70 = 94,302.20 : x - Step 2: Convert to fraction form
117,630.20/176,153.70 = 94,302.20/x - Step 3: Cross multiply
117,630.20x = 176,153.70 × 94,302.20 - Step 4: Simplify right side
117,630.20x = 16,611,681,448.14 - Step 5: Solve for x
x = 16,611,681,448.14/117,630.20 - Step 6: Final answer
x = 141,219.53
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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.