Finding the Fourth Proportional to 253,964.56, 350,452.14 and 139,224.88
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Solution
The fourth proportional to 253,964.56, 350,452.14 and 139,224.88 is: 192,119.94
Step by Step Solution
- Step 1: Write the proportion equation
253,964.56 : 350,452.14 = 139,224.88 : x - Step 2: Convert to fraction form
253,964.56/350,452.14 = 139,224.88/x - Step 3: Cross multiply
253,964.56x = 350,452.14 × 139,224.88 - Step 4: Simplify right side
253,964.56x = 48,791,657,137.24 - Step 5: Solve for x
x = 48,791,657,137.24/253,964.56 - Step 6: Final answer
x = 192,119.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.