Finding the Fourth Proportional to 203,795.99, 305,746.83 and 77,438.42
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Solution
The fourth proportional to 203,795.99, 305,746.83 and 77,438.42 is: 116,177.71
Step by Step Solution
- Step 1: Write the proportion equation
203,795.99 : 305,746.83 = 77,438.42 : x - Step 2: Convert to fraction form
203,795.99/305,746.83 = 77,438.42/x - Step 3: Cross multiply
203,795.99x = 305,746.83 × 77,438.42 - Step 4: Simplify right side
203,795.99x = 23,676,551,435.21 - Step 5: Solve for x
x = 23,676,551,435.21/203,795.99 - Step 6: Final answer
x = 116,177.71
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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.