Finding the Fourth Proportional to 160,396.34, 221,343.64 and 88,772.09
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Solution
The fourth proportional to 160,396.34, 221,343.64 and 88,772.09 is: 122,503.65
Step by Step Solution
- Step 1: Write the proportion equation
160,396.34 : 221,343.64 = 88,772.09 : x - Step 2: Convert to fraction form
160,396.34/221,343.64 = 88,772.09/x - Step 3: Cross multiply
160,396.34x = 221,343.64 × 88,772.09 - Step 4: Simplify right side
160,396.34x = 19,649,136,202.36 - Step 5: Solve for x
x = 19,649,136,202.36/160,396.34 - Step 6: Final answer
x = 122,503.65
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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.