Finding the Fourth Proportional to 252,467.36, 348,406.08 and 139,293.44
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Solution
The fourth proportional to 252,467.36, 348,406.08 and 139,293.44 is: 192,225.57
Step by Step Solution
- Step 1: Write the proportion equation
252,467.36 : 348,406.08 = 139,293.44 : x - Step 2: Convert to fraction form
252,467.36/348,406.08 = 139,293.44/x - Step 3: Cross multiply
252,467.36x = 348,406.08 × 139,293.44 - Step 4: Simplify right side
252,467.36x = 48,530,681,400.12 - Step 5: Solve for x
x = 48,530,681,400.12/252,467.36 - Step 6: Final answer
x = 192,225.57
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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.