Finding the Fourth Proportional to 279,092.42, 385,135.80 and 158,241.84
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Solution
The fourth proportional to 279,092.42, 385,135.80 and 158,241.84 is: 218,367.08
Step by Step Solution
- Step 1: Write the proportion equation
279,092.42 : 385,135.80 = 158,241.84 : x - Step 2: Convert to fraction form
279,092.42/385,135.80 = 158,241.84/x - Step 3: Cross multiply
279,092.42x = 385,135.80 × 158,241.84 - Step 4: Simplify right side
279,092.42x = 60,944,597,641.87 - Step 5: Solve for x
x = 60,944,597,641.87/279,092.42 - Step 6: Final answer
x = 218,367.08
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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.