Finding the Fourth Proportional to 305,769.97, 421,894.46 and 184,908.70
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Solution
The fourth proportional to 305,769.97, 421,894.46 and 184,908.70 is: 255,132.82
Step by Step Solution
- Step 1: Write the proportion equation
305,769.97 : 421,894.46 = 184,908.70 : x - Step 2: Convert to fraction form
305,769.97/421,894.46 = 184,908.70/x - Step 3: Cross multiply
305,769.97x = 421,894.46 × 184,908.70 - Step 4: Simplify right side
305,769.97x = 78,011,953,101.79 - Step 5: Solve for x
x = 78,011,953,101.79/305,769.97 - Step 6: Final answer
x = 255,132.82
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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.