Finding the Fourth Proportional to 381,091.96, 571,696.26 and 100,631.08
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Solution
The fourth proportional to 381,091.96, 571,696.26 and 100,631.08 is: 150,962.02
Step by Step Solution
- Step 1: Write the proportion equation
381,091.96 : 571,696.26 = 100,631.08 : x - Step 2: Convert to fraction form
381,091.96/571,696.26 = 100,631.08/x - Step 3: Cross multiply
381,091.96x = 571,696.26 × 100,631.08 - Step 4: Simplify right side
381,091.96x = 57,530,412,075.76 - Step 5: Solve for x
x = 57,530,412,075.76/381,091.96 - Step 6: Final answer
x = 150,962.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.