Finding the Fourth Proportional to 252,151.18, 378,259.56 and 92,202.21
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Solution
The fourth proportional to 252,151.18, 378,259.56 and 92,202.21 is: 138,315.31
Step by Step Solution
- Step 1: Write the proportion equation
252,151.18 : 378,259.56 = 92,202.21 : x - Step 2: Convert to fraction form
252,151.18/378,259.56 = 92,202.21/x - Step 3: Cross multiply
252,151.18x = 378,259.56 × 92,202.21 - Step 4: Simplify right side
252,151.18x = 34,876,367,385.63 - Step 5: Solve for x
x = 34,876,367,385.63/252,151.18 - Step 6: Final answer
x = 138,315.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.