Finding the Fourth Proportional to 201,703.20, 301,898.70 and 157,088.40
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Solution
The fourth proportional to 201,703.20, 301,898.70 and 157,088.40 is: 235,121.62
Step by Step Solution
- Step 1: Write the proportion equation
201,703.20 : 301,898.70 = 157,088.40 : x - Step 2: Convert to fraction form
201,703.20/301,898.70 = 157,088.40/x - Step 3: Cross multiply
201,703.20x = 301,898.70 × 157,088.40 - Step 4: Simplify right side
201,703.20x = 47,424,783,745.08 - Step 5: Solve for x
x = 47,424,783,745.08/201,703.20 - Step 6: Final answer
x = 235,121.62
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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.