Finding the Fourth Proportional to 454,173.72, 681,400.74 and 169,892.99
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Solution
The fourth proportional to 454,173.72, 681,400.74 and 169,892.99 is: 254,891.92
Step by Step Solution
- Step 1: Write the proportion equation
454,173.72 : 681,400.74 = 169,892.99 : x - Step 2: Convert to fraction form
454,173.72/681,400.74 = 169,892.99/x - Step 3: Cross multiply
454,173.72x = 681,400.74 × 169,892.99 - Step 4: Simplify right side
454,173.72x = 115,765,212,486.13 - Step 5: Solve for x
x = 115,765,212,486.13/454,173.72 - Step 6: Final answer
x = 254,891.92
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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.