Finding the Fourth Proportional to 204,457.51, 306,817.49 and 99,219.07
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Solution
The fourth proportional to 204,457.51, 306,817.49 and 99,219.07 is: 148,892.28
Step by Step Solution
- Step 1: Write the proportion equation
204,457.51 : 306,817.49 = 99,219.07 : x - Step 2: Convert to fraction form
204,457.51/306,817.49 = 99,219.07/x - Step 3: Cross multiply
204,457.51x = 306,817.49 × 99,219.07 - Step 4: Simplify right side
204,457.51x = 30,442,145,521.44 - Step 5: Solve for x
x = 30,442,145,521.44/204,457.51 - Step 6: Final answer
x = 148,892.28
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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.