Finding the Fourth Proportional to 141,485.11, 212,235.23 and 36,304.99
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Solution
The fourth proportional to 141,485.11, 212,235.23 and 36,304.99 is: 54,459.42
Step by Step Solution
- Step 1: Write the proportion equation
141,485.11 : 212,235.23 = 36,304.99 : x - Step 2: Convert to fraction form
141,485.11/212,235.23 = 36,304.99/x - Step 3: Cross multiply
141,485.11x = 212,235.23 × 36,304.99 - Step 4: Simplify right side
141,485.11x = 7,705,197,721.27 - Step 5: Solve for x
x = 7,705,197,721.27/141,485.11 - Step 6: Final answer
x = 54,459.42
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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.