Finding the Fourth Proportional to 384,755.36, 530,961.26 and 214,989.62
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Solution
The fourth proportional to 384,755.36, 530,961.26 and 214,989.62 is: 296,685.03
Step by Step Solution
- Step 1: Write the proportion equation
384,755.36 : 530,961.26 = 214,989.62 : x - Step 2: Convert to fraction form
384,755.36/530,961.26 = 214,989.62/x - Step 3: Cross multiply
384,755.36x = 530,961.26 × 214,989.62 - Step 4: Simplify right side
384,755.36x = 114,151,155,792.37 - Step 5: Solve for x
x = 114,151,155,792.37/384,755.36 - Step 6: Final answer
x = 296,685.03
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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.