Finding the Fourth Proportional to 282,343.84, 389,605.84 and 169,163.68
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Solution
The fourth proportional to 282,343.84, 389,605.84 and 169,163.68 is: 233,428.71
Step by Step Solution
- Step 1: Write the proportion equation
282,343.84 : 389,605.84 = 169,163.68 : x - Step 2: Convert to fraction form
282,343.84/389,605.84 = 169,163.68/x - Step 3: Cross multiply
282,343.84x = 389,605.84 × 169,163.68 - Step 4: Simplify right side
282,343.84x = 65,907,157,643.89 - Step 5: Solve for x
x = 65,907,157,643.89/282,343.84 - Step 6: Final answer
x = 233,428.71
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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.