Finding the Fourth Proportional to 201,062.70, 301,572.45 and 53,318.70
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Solution
The fourth proportional to 201,062.70, 301,572.45 and 53,318.70 is: 79,972.32
Step by Step Solution
- Step 1: Write the proportion equation
201,062.70 : 301,572.45 = 53,318.70 : x - Step 2: Convert to fraction form
201,062.70/301,572.45 = 53,318.70/x - Step 3: Cross multiply
201,062.70x = 301,572.45 × 53,318.70 - Step 4: Simplify right side
201,062.70x = 16,079,450,989.82 - Step 5: Solve for x
x = 16,079,450,989.82/201,062.70 - Step 6: Final answer
x = 79,972.32
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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.