Finding the Fourth Proportional to 224,771.52, 310,193.60 and 129,278.08
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Solution
The fourth proportional to 224,771.52, 310,193.60 and 129,278.08 is: 178,408.87
Step by Step Solution
- Step 1: Write the proportion equation
224,771.52 : 310,193.60 = 129,278.08 : x - Step 2: Convert to fraction form
224,771.52/310,193.60 = 129,278.08/x - Step 3: Cross multiply
224,771.52x = 310,193.60 × 129,278.08 - Step 4: Simplify right side
224,771.52x = 40,101,233,036.29 - Step 5: Solve for x
x = 40,101,233,036.29/224,771.52 - Step 6: Final answer
x = 178,408.87
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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.