Finding the Fourth Proportional to 252,806.93, 348,875.37 and 139,629.68
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Solution
The fourth proportional to 252,806.93, 348,875.37 and 139,629.68 is: 192,689.96
Step by Step Solution
- Step 1: Write the proportion equation
252,806.93 : 348,875.37 = 139,629.68 : x - Step 2: Convert to fraction form
252,806.93/348,875.37 = 139,629.68/x - Step 3: Cross multiply
252,806.93x = 348,875.37 × 139,629.68 - Step 4: Simplify right side
252,806.93x = 48,713,356,272.98 - Step 5: Solve for x
x = 48,713,356,272.98/252,806.93 - Step 6: Final answer
x = 192,689.96
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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.