Finding the Fourth Proportional to 379,390.40, 569,114.40 and 113,130.08
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Solution
The fourth proportional to 379,390.40, 569,114.40 and 113,130.08 is: 169,703.71
Step by Step Solution
- Step 1: Write the proportion equation
379,390.40 : 569,114.40 = 113,130.08 : x - Step 2: Convert to fraction form
379,390.40/569,114.40 = 113,130.08/x - Step 3: Cross multiply
379,390.40x = 569,114.40 × 113,130.08 - Step 4: Simplify right side
379,390.40x = 64,383,957,601.15 - Step 5: Solve for x
x = 64,383,957,601.15/379,390.40 - Step 6: Final answer
x = 169,703.71
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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.