Finding the Fourth Proportional to 341,640.60, 512,849.70 and 201,478.20
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Solution
The fourth proportional to 341,640.60, 512,849.70 and 201,478.20 is: 302,446.59
Step by Step Solution
- Step 1: Write the proportion equation
341,640.60 : 512,849.70 = 201,478.20 : x - Step 2: Convert to fraction form
341,640.60/512,849.70 = 201,478.20/x - Step 3: Cross multiply
341,640.60x = 512,849.70 × 201,478.20 - Step 4: Simplify right side
341,640.60x = 103,328,034,426.54 - Step 5: Solve for x
x = 103,328,034,426.54/341,640.60 - Step 6: Final answer
x = 302,446.59
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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.