Finding the Fourth Proportional to 189,841.26, 285,279.21 and 101,158.14
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Solution
The fourth proportional to 189,841.26, 285,279.21 and 101,158.14 is: 152,012.87
Step by Step Solution
- Step 1: Write the proportion equation
189,841.26 : 285,279.21 = 101,158.14 : x - Step 2: Convert to fraction form
189,841.26/285,279.21 = 101,158.14/x - Step 3: Cross multiply
189,841.26x = 285,279.21 × 101,158.14 - Step 4: Simplify right side
189,841.26x = 28,858,314,264.27 - Step 5: Solve for x
x = 28,858,314,264.27/189,841.26 - Step 6: Final answer
x = 152,012.87
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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.