Finding the Fourth Proportional to 203,629.08, 305,443.99 and 83,602.45
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Solution
The fourth proportional to 203,629.08, 305,443.99 and 83,602.45 is: 125,403.82
Step by Step Solution
- Step 1: Write the proportion equation
203,629.08 : 305,443.99 = 83,602.45 : x - Step 2: Convert to fraction form
203,629.08/305,443.99 = 83,602.45/x - Step 3: Cross multiply
203,629.08x = 305,443.99 × 83,602.45 - Step 4: Simplify right side
203,629.08x = 25,535,864,929.16 - Step 5: Solve for x
x = 25,535,864,929.16/203,629.08 - Step 6: Final answer
x = 125,403.82
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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.