Finding the Fourth Proportional to 203,290.44, 280,536.62 and 112,645.62
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Solution
The fourth proportional to 203,290.44, 280,536.62 and 112,645.62 is: 155,448.64
Step by Step Solution
- Step 1: Write the proportion equation
203,290.44 : 280,536.62 = 112,645.62 : x - Step 2: Convert to fraction form
203,290.44/280,536.62 = 112,645.62/x - Step 3: Cross multiply
203,290.44x = 280,536.62 × 112,645.62 - Step 4: Simplify right side
203,290.44x = 31,601,221,492.60 - Step 5: Solve for x
x = 31,601,221,492.60/203,290.44 - Step 6: Final answer
x = 155,448.64
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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.