Finding the Fourth Proportional to 305,754.42, 421,873.16 and 184,893.17
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Solution
The fourth proportional to 305,754.42, 421,873.16 and 184,893.17 is: 255,111.49
Step by Step Solution
- Step 1: Write the proportion equation
305,754.42 : 421,873.16 = 184,893.17 : x - Step 2: Convert to fraction form
305,754.42/421,873.16 = 184,893.17/x - Step 3: Cross multiply
305,754.42x = 421,873.16 × 184,893.17 - Step 4: Simplify right side
305,754.42x = 78,001,466,020.53 - Step 5: Solve for x
x = 78,001,466,020.53/305,754.42 - Step 6: Final answer
x = 255,111.49
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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.