Finding the Fourth Proportional to 212,052.18, 292,514.58 and 134,385.60
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Solution
The fourth proportional to 212,052.18, 292,514.58 and 134,385.60 is: 185,377.71
Step by Step Solution
- Step 1: Write the proportion equation
212,052.18 : 292,514.58 = 134,385.60 : x - Step 2: Convert to fraction form
212,052.18/292,514.58 = 134,385.60/x - Step 3: Cross multiply
212,052.18x = 292,514.58 × 134,385.60 - Step 4: Simplify right side
212,052.18x = 39,309,747,342.05 - Step 5: Solve for x
x = 39,309,747,342.05/212,052.18 - Step 6: Final answer
x = 185,377.71
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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.