Finding the Fourth Proportional to 313,633.08, 471,382.74 and 147,537.72
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Solution
The fourth proportional to 313,633.08, 471,382.74 and 147,537.72 is: 221,745.53
Step by Step Solution
- Step 1: Write the proportion equation
313,633.08 : 471,382.74 = 147,537.72 : x - Step 2: Convert to fraction form
313,633.08/471,382.74 = 147,537.72/x - Step 3: Cross multiply
313,633.08x = 471,382.74 × 147,537.72 - Step 4: Simplify right side
313,633.08x = 69,546,734,706.95 - Step 5: Solve for x
x = 69,546,734,706.95/313,633.08 - Step 6: Final answer
x = 221,745.53
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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.