Finding the Fourth Proportional to 118,153.20, 177,263.28 and 48,082.80
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Solution
The fourth proportional to 118,153.20, 177,263.28 and 48,082.80 is: 72,137.82
Step by Step Solution
- Step 1: Write the proportion equation
118,153.20 : 177,263.28 = 48,082.80 : x - Step 2: Convert to fraction form
118,153.20/177,263.28 = 48,082.80/x - Step 3: Cross multiply
118,153.20x = 177,263.28 × 48,082.80 - Step 4: Simplify right side
118,153.20x = 8,523,314,839.58 - Step 5: Solve for x
x = 8,523,314,839.58/118,153.20 - Step 6: Final answer
x = 72,137.82
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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.