Finding the Fourth Proportional to 118,582.08, 177,872.18 and 48,412.20
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Solution
The fourth proportional to 118,582.08, 177,872.18 and 48,412.20 is: 72,617.92
Step by Step Solution
- Step 1: Write the proportion equation
118,582.08 : 177,872.18 = 48,412.20 : x - Step 2: Convert to fraction form
118,582.08/177,872.18 = 48,412.20/x - Step 3: Cross multiply
118,582.08x = 177,872.18 × 48,412.20 - Step 4: Simplify right side
118,582.08x = 8,611,183,552.60 - Step 5: Solve for x
x = 8,611,183,552.60/118,582.08 - Step 6: Final answer
x = 72,617.92
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1.5x scale
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.