Finding the Fourth Proportional to 298,944.52, 412,658.62 and 219,006.96
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Solution
The fourth proportional to 298,944.52, 412,658.62 and 219,006.96 is: 302,313.99
Step by Step Solution
- Step 1: Write the proportion equation
298,944.52 : 412,658.62 = 219,006.96 : x - Step 2: Convert to fraction form
298,944.52/412,658.62 = 219,006.96/x - Step 3: Cross multiply
298,944.52x = 412,658.62 × 219,006.96 - Step 4: Simplify right side
298,944.52x = 90,375,109,884.00 - Step 5: Solve for x
x = 90,375,109,884.00/298,944.52 - Step 6: Final answer
x = 302,313.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.