Finding the Fourth Proportional to 306,272.73, 459,430.97 and 81,631.99
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Solution
The fourth proportional to 306,272.73, 459,430.97 and 81,631.99 is: 122,453.82
Step by Step Solution
- Step 1: Write the proportion equation
306,272.73 : 459,430.97 = 81,631.99 : x - Step 2: Convert to fraction form
306,272.73/459,430.97 = 81,631.99/x - Step 3: Cross multiply
306,272.73x = 459,430.97 × 81,631.99 - Step 4: Simplify right side
306,272.73x = 37,504,264,348.73 - Step 5: Solve for x
x = 37,504,264,348.73/306,272.73 - Step 6: Final answer
x = 122,453.82
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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.