Finding the Fourth Proportional to 203,316.24, 280,536.36 and 127,820.88
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Solution
The fourth proportional to 203,316.24, 280,536.36 and 127,820.88 is: 176,367.64
Step by Step Solution
- Step 1: Write the proportion equation
203,316.24 : 280,536.36 = 127,820.88 : x - Step 2: Convert to fraction form
203,316.24/280,536.36 = 127,820.88/x - Step 3: Cross multiply
203,316.24x = 280,536.36 × 127,820.88 - Step 4: Simplify right side
203,316.24x = 35,858,404,407.20 - Step 5: Solve for x
x = 35,858,404,407.20/203,316.24 - Step 6: Final answer
x = 176,367.64
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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.