Finding the Fourth Proportional to 306,545.36, 422,792.96 and 199,149.99
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Solution
The fourth proportional to 306,545.36, 422,792.96 and 199,149.99 is: 274,671.31
Step by Step Solution
- Step 1: Write the proportion equation
306,545.36 : 422,792.96 = 199,149.99 : x - Step 2: Convert to fraction form
306,545.36/422,792.96 = 199,149.99/x - Step 3: Cross multiply
306,545.36x = 422,792.96 × 199,149.99 - Step 4: Simplify right side
306,545.36x = 84,199,212,760.32 - Step 5: Solve for x
x = 84,199,212,760.32/306,545.36 - Step 6: Final answer
x = 274,671.31
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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.