Finding the Fourth Proportional to 456,946.36, 685,583.52 and 204,205.68
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Solution
The fourth proportional to 456,946.36, 685,583.52 and 204,205.68 is: 306,381.80
Step by Step Solution
- Step 1: Write the proportion equation
456,946.36 : 685,583.52 = 204,205.68 : x - Step 2: Convert to fraction form
456,946.36/685,583.52 = 204,205.68/x - Step 3: Cross multiply
456,946.36x = 685,583.52 × 204,205.68 - Step 4: Simplify right side
456,946.36x = 140,000,048,898.39 - Step 5: Solve for x
x = 140,000,048,898.39/456,946.36 - Step 6: Final answer
x = 306,381.80
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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.