Finding the Fourth Proportional to 266,871.05, 368,245.68 and 159,418.27
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Solution
The fourth proportional to 266,871.05, 368,245.68 and 159,418.27 is: 219,975.49
Step by Step Solution
- Step 1: Write the proportion equation
266,871.05 : 368,245.68 = 159,418.27 : x - Step 2: Convert to fraction form
266,871.05/368,245.68 = 159,418.27/x - Step 3: Cross multiply
266,871.05x = 368,245.68 × 159,418.27 - Step 4: Simplify right side
266,871.05x = 58,705,089,103.06 - Step 5: Solve for x
x = 58,705,089,103.06/266,871.05 - Step 6: Final answer
x = 219,975.49
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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.