Finding the Fourth Proportional to 203,490.70, 305,239.50 and 70,374.41
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Solution
The fourth proportional to 203,490.70, 305,239.50 and 70,374.41 is: 105,562.82
Step by Step Solution
- Step 1: Write the proportion equation
203,490.70 : 305,239.50 = 70,374.41 : x - Step 2: Convert to fraction form
203,490.70/305,239.50 = 70,374.41/x - Step 3: Cross multiply
203,490.70x = 305,239.50 × 70,374.41 - Step 4: Simplify right side
203,490.70x = 21,481,051,163.63 - Step 5: Solve for x
x = 21,481,051,163.63/203,490.70 - Step 6: Final answer
x = 105,562.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.