Finding the Fourth Proportional to 154,783.55, 213,522.66 and 101,099.99
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Solution
The fourth proportional to 154,783.55, 213,522.66 and 101,099.99 is: 139,466.62
Step by Step Solution
- Step 1: Write the proportion equation
154,783.55 : 213,522.66 = 101,099.99 : x - Step 2: Convert to fraction form
154,783.55/213,522.66 = 101,099.99/x - Step 3: Cross multiply
154,783.55x = 213,522.66 × 101,099.99 - Step 4: Simplify right side
154,783.55x = 21,587,137,723.16 - Step 5: Solve for x
x = 21,587,137,723.16/154,783.55 - Step 6: Final answer
x = 139,466.62
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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.