Finding the Fourth Proportional to 204,085.80, 306,128.70 and 110,773.80
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Solution
The fourth proportional to 204,085.80, 306,128.70 and 110,773.80 is: 166,160.70
Step by Step Solution
- Step 1: Write the proportion equation
204,085.80 : 306,128.70 = 110,773.80 : x - Step 2: Convert to fraction form
204,085.80/306,128.70 = 110,773.80/x - Step 3: Cross multiply
204,085.80x = 306,128.70 × 110,773.80 - Step 4: Simplify right side
204,085.80x = 33,911,039,388.06 - Step 5: Solve for x
x = 33,911,039,388.06/204,085.80 - Step 6: Final answer
x = 166,160.70
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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.