Finding the Fourth Proportional to 219,714.95, 303,238.97 and 139,149.96
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Solution
The fourth proportional to 219,714.95, 303,238.97 and 139,149.96 is: 192,047.43
Step by Step Solution
- Step 1: Write the proportion equation
219,714.95 : 303,238.97 = 139,149.96 : x - Step 2: Convert to fraction form
219,714.95/303,238.97 = 139,149.96/x - Step 3: Cross multiply
219,714.95x = 303,238.97 × 139,149.96 - Step 4: Simplify right side
219,714.95x = 42,195,689,850.19 - Step 5: Solve for x
x = 42,195,689,850.19/219,714.95 - Step 6: Final answer
x = 192,047.43
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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.