Finding the Fourth Proportional to 235,716.59, 325,232.21 and 138,924.29
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Solution
The fourth proportional to 235,716.59, 325,232.21 and 138,924.29 is: 191,682.12
Step by Step Solution
- Step 1: Write the proportion equation
235,716.59 : 325,232.21 = 138,924.29 : x - Step 2: Convert to fraction form
235,716.59/325,232.21 = 138,924.29/x - Step 3: Cross multiply
235,716.59x = 325,232.21 × 138,924.29 - Step 4: Simplify right side
235,716.59x = 45,182,655,019.77 - Step 5: Solve for x
x = 45,182,655,019.77/235,716.59 - Step 6: Final answer
x = 191,682.12
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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.