Finding the Fourth Proportional to 315,094.06, 472,640.29 and 135,062.75
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Solution
The fourth proportional to 315,094.06, 472,640.29 and 135,062.75 is: 202,593.78
Step by Step Solution
- Step 1: Write the proportion equation
315,094.06 : 472,640.29 = 135,062.75 : x - Step 2: Convert to fraction form
315,094.06/472,640.29 = 135,062.75/x - Step 3: Cross multiply
315,094.06x = 472,640.29 × 135,062.75 - Step 4: Simplify right side
315,094.06x = 63,836,097,328.20 - Step 5: Solve for x
x = 63,836,097,328.20/315,094.06 - Step 6: Final answer
x = 202,593.78
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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.