Finding the Fourth Proportional to 396,343.85, 594,516.18 and 185,981.99
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Solution
The fourth proportional to 396,343.85, 594,516.18 and 185,981.99 is: 278,973.18
Step by Step Solution
- Step 1: Write the proportion equation
396,343.85 : 594,516.18 = 185,981.99 : x - Step 2: Convert to fraction form
396,343.85/594,516.18 = 185,981.99/x - Step 3: Cross multiply
396,343.85x = 594,516.18 × 185,981.99 - Step 4: Simplify right side
396,343.85x = 110,569,302,243.60 - Step 5: Solve for x
x = 110,569,302,243.60/396,343.85 - Step 6: Final answer
x = 278,973.18
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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.