Finding the Fourth Proportional to 180,436.24, 248,991.74 and 99,858.96
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Solution
The fourth proportional to 180,436.24, 248,991.74 and 99,858.96 is: 137,799.68
Step by Step Solution
- Step 1: Write the proportion equation
180,436.24 : 248,991.74 = 99,858.96 : x - Step 2: Convert to fraction form
180,436.24/248,991.74 = 99,858.96/x - Step 3: Cross multiply
180,436.24x = 248,991.74 × 99,858.96 - Step 4: Simplify right side
180,436.24x = 24,864,056,204.99 - Step 5: Solve for x
x = 24,864,056,204.99/180,436.24 - Step 6: Final answer
x = 137,799.68
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1.5x scale
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.