Finding the Fourth Proportional to 371,454.66, 512,608.10 and 201,688.79
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Solution
The fourth proportional to 371,454.66, 512,608.10 and 201,688.79 is: 278,330.88
Step by Step Solution
- Step 1: Write the proportion equation
371,454.66 : 512,608.10 = 201,688.79 : x - Step 2: Convert to fraction form
371,454.66/512,608.10 = 201,688.79/x - Step 3: Cross multiply
371,454.66x = 512,608.10 × 201,688.79 - Step 4: Simplify right side
371,454.66x = 103,387,303,861.72 - Step 5: Solve for x
x = 103,387,303,861.72/371,454.66 - Step 6: Final answer
x = 278,330.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.