Finding the Fourth Proportional to 141,473.99, 212,079.09 and 97,121.63
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Solution
The fourth proportional to 141,473.99, 212,079.09 and 97,121.63 is: 145,591.90
Step by Step Solution
- Step 1: Write the proportion equation
141,473.99 : 212,079.09 = 97,121.63 : x - Step 2: Convert to fraction form
141,473.99/212,079.09 = 97,121.63/x - Step 3: Cross multiply
141,473.99x = 212,079.09 × 97,121.63 - Step 4: Simplify right side
141,473.99x = 20,597,466,909.72 - Step 5: Solve for x
x = 20,597,466,909.72/141,473.99 - Step 6: Final answer
x = 145,591.90
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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.