Finding the Fourth Proportional to 201,048.40, 301,135.20 and 122,024.80
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Solution
The fourth proportional to 201,048.40, 301,135.20 and 122,024.80 is: 182,771.72
Step by Step Solution
- Step 1: Write the proportion equation
201,048.40 : 301,135.20 = 122,024.80 : x - Step 2: Convert to fraction form
201,048.40/301,135.20 = 122,024.80/x - Step 3: Cross multiply
201,048.40x = 301,135.20 × 122,024.80 - Step 4: Simplify right side
201,048.40x = 36,745,962,552.96 - Step 5: Solve for x
x = 36,745,962,552.96/201,048.40 - Step 6: Final answer
x = 182,771.72
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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.