Finding the Fourth Proportional to 212,635.80, 319,027.50 and 94,390.16
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Solution
The fourth proportional to 212,635.80, 319,027.50 and 94,390.16 is: 141,617.99
Step by Step Solution
- Step 1: Write the proportion equation
212,635.80 : 319,027.50 = 94,390.16 : x - Step 2: Convert to fraction form
212,635.80/319,027.50 = 94,390.16/x - Step 3: Cross multiply
212,635.80x = 319,027.50 × 94,390.16 - Step 4: Simplify right side
212,635.80x = 30,113,055,174.26 - Step 5: Solve for x
x = 30,113,055,174.26/212,635.80 - Step 6: Final answer
x = 141,617.99
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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.