Finding the Fourth Proportional to 411,037.79, 616,906.61 and 161,894.75
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Solution
The fourth proportional to 411,037.79, 616,906.61 and 161,894.75 is: 242,979.95
Step by Step Solution
- Step 1: Write the proportion equation
411,037.79 : 616,906.61 = 161,894.75 : x - Step 2: Convert to fraction form
411,037.79/616,906.61 = 161,894.75/x - Step 3: Cross multiply
411,037.79x = 616,906.61 × 161,894.75 - Step 4: Simplify right side
411,037.79x = 99,873,940,589.82 - Step 5: Solve for x
x = 99,873,940,589.82/411,037.79 - Step 6: Final answer
x = 242,979.95
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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.