Finding the Fourth Proportional to 240,346.36, 331,706.82 and 139,744.36
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Solution
The fourth proportional to 240,346.36, 331,706.82 and 139,744.36 is: 192,863.99
Step by Step Solution
- Step 1: Write the proportion equation
240,346.36 : 331,706.82 = 139,744.36 : x - Step 2: Convert to fraction form
240,346.36/331,706.82 = 139,744.36/x - Step 3: Cross multiply
240,346.36x = 331,706.82 × 139,744.36 - Step 4: Simplify right side
240,346.36x = 46,354,157,268.54 - Step 5: Solve for x
x = 46,354,157,268.54/240,346.36 - Step 6: Final answer
x = 192,863.99
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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.