Finding the Fourth Proportional to 315,199.44, 472,799.16 and 135,245.79
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Solution
The fourth proportional to 315,199.44, 472,799.16 and 135,245.79 is: 202,868.69
Step by Step Solution
- Step 1: Write the proportion equation
315,199.44 : 472,799.16 = 135,245.79 : x - Step 2: Convert to fraction form
315,199.44/472,799.16 = 135,245.79/x - Step 3: Cross multiply
315,199.44x = 472,799.16 × 135,245.79 - Step 4: Simplify right side
315,199.44x = 63,944,095,905.54 - Step 5: Solve for x
x = 63,944,095,905.54/315,199.44 - Step 6: Final answer
x = 202,868.69
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Similar ratio
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1.5x scale
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.