Finding the Fourth Proportional to 180,321.24, 248,841.18 and 99,742.44
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Solution
The fourth proportional to 180,321.24, 248,841.18 and 99,742.44 is: 137,643.39
Step by Step Solution
- Step 1: Write the proportion equation
180,321.24 : 248,841.18 = 99,742.44 : x - Step 2: Convert to fraction form
180,321.24/248,841.18 = 99,742.44/x - Step 3: Cross multiply
180,321.24x = 248,841.18 × 99,742.44 - Step 4: Simplify right side
180,321.24x = 24,820,026,465.68 - Step 5: Solve for x
x = 24,820,026,465.68/180,321.24 - Step 6: Final answer
x = 137,643.39
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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.