Finding the Fourth Proportional to 305,349.24, 421,384.26 and 167,527.23
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Solution
The fourth proportional to 305,349.24, 421,384.26 and 167,527.23 is: 231,188.84
Step by Step Solution
- Step 1: Write the proportion equation
305,349.24 : 421,384.26 = 167,527.23 : x - Step 2: Convert to fraction form
305,349.24/421,384.26 = 167,527.23/x - Step 3: Cross multiply
305,349.24x = 421,384.26 × 167,527.23 - Step 4: Simplify right side
305,349.24x = 70,593,337,005.76 - Step 5: Solve for x
x = 70,593,337,005.76/305,349.24 - Step 6: Final answer
x = 231,188.84
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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.