Finding the Fourth Proportional to 202,380.08, 279,283.20 and 111,741.68
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Solution
The fourth proportional to 202,380.08, 279,283.20 and 111,741.68 is: 154,202.79
Step by Step Solution
- Step 1: Write the proportion equation
202,380.08 : 279,283.20 = 111,741.68 : x - Step 2: Convert to fraction form
202,380.08/279,283.20 = 111,741.68/x - Step 3: Cross multiply
202,380.08x = 279,283.20 × 111,741.68 - Step 4: Simplify right side
202,380.08x = 31,207,573,963.78 - Step 5: Solve for x
x = 31,207,573,963.78/202,380.08 - Step 6: Final answer
x = 154,202.79
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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.