Finding the Fourth Proportional to 315,170.92, 472,747.74 and 104,812.84
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Solution
The fourth proportional to 315,170.92, 472,747.74 and 104,812.84 is: 157,216.39
Step by Step Solution
- Step 1: Write the proportion equation
315,170.92 : 472,747.74 = 104,812.84 : x - Step 2: Convert to fraction form
315,170.92/472,747.74 = 104,812.84/x - Step 3: Cross multiply
315,170.92x = 472,747.74 × 104,812.84 - Step 4: Simplify right side
315,170.92x = 49,550,033,232.98 - Step 5: Solve for x
x = 49,550,033,232.98/315,170.92 - Step 6: Final answer
x = 157,216.39
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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.