Finding the Fourth Proportional to 305,102.74, 421,052.32 and 184,219.96
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Solution
The fourth proportional to 305,102.74, 421,052.32 and 184,219.96 is: 254,229.91
Step by Step Solution
- Step 1: Write the proportion equation
305,102.74 : 421,052.32 = 184,219.96 : x - Step 2: Convert to fraction form
305,102.74/421,052.32 = 184,219.96/x - Step 3: Cross multiply
305,102.74x = 421,052.32 × 184,219.96 - Step 4: Simplify right side
305,102.74x = 77,566,241,548.31 - Step 5: Solve for x
x = 77,566,241,548.31/305,102.74 - Step 6: Final answer
x = 254,229.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.