Finding the Fourth Proportional to 213,232.10, 319,848.14 and 63,474.54
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Solution
The fourth proportional to 213,232.10, 319,848.14 and 63,474.54 is: 95,211.80
Step by Step Solution
- Step 1: Write the proportion equation
213,232.10 : 319,848.14 = 63,474.54 : x - Step 2: Convert to fraction form
213,232.10/319,848.14 = 63,474.54/x - Step 3: Cross multiply
213,232.10x = 319,848.14 × 63,474.54 - Step 4: Simplify right side
213,232.10x = 20,302,212,515.61 - Step 5: Solve for x
x = 20,302,212,515.61/213,232.10 - Step 6: Final answer
x = 95,211.80
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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.