Finding the Fourth Proportional to 203,583.99, 305,377.61 and 83,610.03
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Solution
The fourth proportional to 203,583.99, 305,377.61 and 83,610.03 is: 125,415.71
Step by Step Solution
- Step 1: Write the proportion equation
203,583.99 : 305,377.61 = 83,610.03 : x - Step 2: Convert to fraction form
203,583.99/305,377.61 = 83,610.03/x - Step 3: Cross multiply
203,583.99x = 305,377.61 × 83,610.03 - Step 4: Simplify right side
203,583.99x = 25,532,630,715.38 - Step 5: Solve for x
x = 25,532,630,715.38/203,583.99 - Step 6: Final answer
x = 125,415.71
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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.