Finding the Fourth Proportional to 203,944.90, 305,923.38 and 97,340.09
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Solution
The fourth proportional to 203,944.90, 305,923.38 and 97,340.09 is: 146,013.01
Step by Step Solution
- Step 1: Write the proportion equation
203,944.90 : 305,923.38 = 97,340.09 : x - Step 2: Convert to fraction form
203,944.90/305,923.38 = 97,340.09/x - Step 3: Cross multiply
203,944.90x = 305,923.38 × 97,340.09 - Step 4: Simplify right side
203,944.90x = 29,778,609,342.30 - Step 5: Solve for x
x = 29,778,609,342.30/203,944.90 - Step 6: Final answer
x = 146,013.01
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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.