Finding the Fourth Proportional to 219,745.44, 303,254.64 and 134,812.08
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Solution
The fourth proportional to 219,745.44, 303,254.64 and 134,812.08 is: 186,044.31
Step by Step Solution
- Step 1: Write the proportion equation
219,745.44 : 303,254.64 = 134,812.08 : x - Step 2: Convert to fraction form
219,745.44/303,254.64 = 134,812.08/x - Step 3: Cross multiply
219,745.44x = 303,254.64 × 134,812.08 - Step 4: Simplify right side
219,745.44x = 40,882,388,788.05 - Step 5: Solve for x
x = 40,882,388,788.05/219,745.44 - Step 6: Final answer
x = 186,044.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.