Finding the Fourth Proportional to 314,682.98, 434,263.01 and 178,716.92
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Solution
The fourth proportional to 314,682.98, 434,263.01 and 178,716.92 is: 246,629.63
Step by Step Solution
- Step 1: Write the proportion equation
314,682.98 : 434,263.01 = 178,716.92 : x - Step 2: Convert to fraction form
314,682.98/434,263.01 = 178,716.92/x - Step 3: Cross multiply
314,682.98x = 434,263.01 × 178,716.92 - Step 4: Simplify right side
314,682.98x = 77,610,144,552.23 - Step 5: Solve for x
x = 77,610,144,552.23/314,682.98 - Step 6: Final answer
x = 246,629.63
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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.