Finding the Fourth Proportional to 205,211.05, 308,283.63 and 148,459.99
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Solution
The fourth proportional to 205,211.05, 308,283.63 and 148,459.99 is: 223,027.88
Step by Step Solution
- Step 1: Write the proportion equation
205,211.05 : 308,283.63 = 148,459.99 : x - Step 2: Convert to fraction form
205,211.05/308,283.63 = 148,459.99/x - Step 3: Cross multiply
205,211.05x = 308,283.63 × 148,459.99 - Step 4: Simplify right side
205,211.05x = 45,767,784,626.96 - Step 5: Solve for x
x = 45,767,784,626.96/205,211.05 - Step 6: Final answer
x = 223,027.88
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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.