Finding the Fourth Proportional to 406,957.26, 610,435.90 and 157,639.26
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Solution
The fourth proportional to 406,957.26, 610,435.90 and 157,639.26 is: 236,458.89
Step by Step Solution
- Step 1: Write the proportion equation
406,957.26 : 610,435.90 = 157,639.26 : x - Step 2: Convert to fraction form
406,957.26/610,435.90 = 157,639.26/x - Step 3: Cross multiply
406,957.26x = 610,435.90 × 157,639.26 - Step 4: Simplify right side
406,957.26x = 96,228,663,553.43 - Step 5: Solve for x
x = 96,228,663,553.43/406,957.26 - Step 6: Final answer
x = 236,458.89
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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.