Finding the Fourth Proportional to 203,786.69, 281,259.14 and 118,903.55
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Solution
The fourth proportional to 203,786.69, 281,259.14 and 118,903.55 is: 164,106.44
Step by Step Solution
- Step 1: Write the proportion equation
203,786.69 : 281,259.14 = 118,903.55 : x - Step 2: Convert to fraction form
203,786.69/281,259.14 = 118,903.55/x - Step 3: Cross multiply
203,786.69x = 281,259.14 × 118,903.55 - Step 4: Simplify right side
203,786.69x = 33,442,708,215.13 - Step 5: Solve for x
x = 33,442,708,215.13/203,786.69 - Step 6: Final answer
x = 164,106.44
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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.