Finding the Fourth Proportional to 451,643.09, 623,222.56 and 260,717.99
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Solution
The fourth proportional to 451,643.09, 623,222.56 and 260,717.99 is: 359,764.90
Step by Step Solution
- Step 1: Write the proportion equation
451,643.09 : 623,222.56 = 260,717.99 : x - Step 2: Convert to fraction form
451,643.09/623,222.56 = 260,717.99/x - Step 3: Cross multiply
451,643.09x = 623,222.56 × 260,717.99 - Step 4: Simplify right side
451,643.09x = 162,485,334,072.12 - Step 5: Solve for x
x = 162,485,334,072.12/451,643.09 - Step 6: Final answer
x = 359,764.90
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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.