Finding the Fourth Proportional to 315,093.06, 472,638.79 and 135,061.75
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Solution
The fourth proportional to 315,093.06, 472,638.79 and 135,061.75 is: 202,592.28
Step by Step Solution
- Step 1: Write the proportion equation
315,093.06 : 472,638.79 = 135,061.75 : x - Step 2: Convert to fraction form
315,093.06/472,638.79 = 135,061.75/x - Step 3: Cross multiply
315,093.06x = 472,638.79 × 135,061.75 - Step 4: Simplify right side
315,093.06x = 63,835,422,095.28 - Step 5: Solve for x
x = 63,835,422,095.28/315,093.06 - Step 6: Final answer
x = 202,592.28
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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.