Finding the Fourth Proportional to 213,135.42, 319,703.04 and 63,375.06
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Solution
The fourth proportional to 213,135.42, 319,703.04 and 63,375.06 is: 95,062.56
Step by Step Solution
- Step 1: Write the proportion equation
213,135.42 : 319,703.04 = 63,375.06 : x - Step 2: Convert to fraction form
213,135.42/319,703.04 = 63,375.06/x - Step 3: Cross multiply
213,135.42x = 319,703.04 × 63,375.06 - Step 4: Simplify right side
213,135.42x = 20,261,199,342.18 - Step 5: Solve for x
x = 20,261,199,342.18/213,135.42 - Step 6: Final answer
x = 95,062.56
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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.