Finding the Fourth Proportional to 147,221.84, 203,149.94 and 82,677.98
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Solution
The fourth proportional to 147,221.84, 203,149.94 and 82,677.98 is: 114,086.52
Step by Step Solution
- Step 1: Write the proportion equation
147,221.84 : 203,149.94 = 82,677.98 : x - Step 2: Convert to fraction form
147,221.84/203,149.94 = 82,677.98/x - Step 3: Cross multiply
147,221.84x = 203,149.94 × 82,677.98 - Step 4: Simplify right side
147,221.84x = 16,796,026,676.32 - Step 5: Solve for x
x = 16,796,026,676.32/147,221.84 - Step 6: Final answer
x = 114,086.52
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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.