Finding the Fourth Proportional to 201,861.70, 302,792.55 and 201,861.70
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Solution
The fourth proportional to 201,861.70, 302,792.55 and 201,861.70 is: 302,792.55
Step by Step Solution
- Step 1: Write the proportion equation
201,861.70 : 302,792.55 = 201,861.70 : x - Step 2: Convert to fraction form
201,861.70/302,792.55 = 201,861.70/x - Step 3: Cross multiply
201,861.70x = 302,792.55 × 201,861.70 - Step 4: Simplify right side
201,861.70x = 61,122,218,890.34 - Step 5: Solve for x
x = 61,122,218,890.34/201,861.70 - Step 6: Final answer
x = 302,792.55
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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.