Finding the Fourth Proportional to 252,455.36, 348,382.56 and 139,278.08
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Solution
The fourth proportional to 252,455.36, 348,382.56 and 139,278.08 is: 192,200.53
Step by Step Solution
- Step 1: Write the proportion equation
252,455.36 : 348,382.56 = 139,278.08 : x - Step 2: Convert to fraction form
252,455.36/348,382.56 = 139,278.08/x - Step 3: Cross multiply
252,455.36x = 348,382.56 × 139,278.08 - Step 4: Simplify right side
252,455.36x = 48,522,054,062.28 - Step 5: Solve for x
x = 48,522,054,062.28/252,455.36 - Step 6: Final answer
x = 192,200.53
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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.