Finding the Fourth Proportional to 305,384.44, 421,443.81 and 203,246.68
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Solution
The fourth proportional to 305,384.44, 421,443.81 and 203,246.68 is: 280,489.26
Step by Step Solution
- Step 1: Write the proportion equation
305,384.44 : 421,443.81 = 203,246.68 : x - Step 2: Convert to fraction form
305,384.44/421,443.81 = 203,246.68/x - Step 3: Cross multiply
305,384.44x = 421,443.81 × 203,246.68 - Step 4: Simplify right side
305,384.44x = 85,657,055,189.05 - Step 5: Solve for x
x = 85,657,055,189.05/305,384.44 - Step 6: Final answer
x = 280,489.26
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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.