Finding the Fourth Proportional to 252,646.36, 348,642.84 and 139,466.68
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Solution
The fourth proportional to 252,646.36, 348,642.84 and 139,466.68 is: 192,458.97
Step by Step Solution
- Step 1: Write the proportion equation
252,646.36 : 348,642.84 = 139,466.68 : x - Step 2: Convert to fraction form
252,646.36/348,642.84 = 139,466.68/x - Step 3: Cross multiply
252,646.36x = 348,642.84 × 139,466.68 - Step 4: Simplify right side
252,646.36x = 48,624,059,400.57 - Step 5: Solve for x
x = 48,624,059,400.57/252,646.36 - Step 6: Final answer
x = 192,458.97
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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.