Finding the Fourth Proportional to 203,829.48, 305,626.50 and 79,024.68
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Solution
The fourth proportional to 203,829.48, 305,626.50 and 79,024.68 is: 118,491.38
Step by Step Solution
- Step 1: Write the proportion equation
203,829.48 : 305,626.50 = 79,024.68 : x - Step 2: Convert to fraction form
203,829.48/305,626.50 = 79,024.68/x - Step 3: Cross multiply
203,829.48x = 305,626.50 × 79,024.68 - Step 4: Simplify right side
203,829.48x = 24,152,036,362.02 - Step 5: Solve for x
x = 24,152,036,362.02/203,829.48 - Step 6: Final answer
x = 118,491.38
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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.