Finding the Fourth Proportional to 313,608.08, 471,345.24 and 147,512.72
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Solution
The fourth proportional to 313,608.08, 471,345.24 and 147,512.72 is: 221,707.99
Step by Step Solution
- Step 1: Write the proportion equation
313,608.08 : 471,345.24 = 147,512.72 : x - Step 2: Convert to fraction form
313,608.08/471,345.24 = 147,512.72/x - Step 3: Cross multiply
313,608.08x = 471,345.24 × 147,512.72 - Step 4: Simplify right side
313,608.08x = 69,529,418,411.45 - Step 5: Solve for x
x = 69,529,418,411.45/313,608.08 - Step 6: Final answer
x = 221,707.99
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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.