Finding the Fourth Proportional to 347,230.38, 479,278.79 and 202,070.08
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Solution
The fourth proportional to 347,230.38, 479,278.79 and 202,070.08 is: 278,915.41
Step by Step Solution
- Step 1: Write the proportion equation
347,230.38 : 479,278.79 = 202,070.08 : x - Step 2: Convert to fraction form
347,230.38/479,278.79 = 202,070.08/x - Step 3: Cross multiply
347,230.38x = 479,278.79 × 202,070.08 - Step 4: Simplify right side
347,230.38x = 96,847,903,437.60 - Step 5: Solve for x
x = 96,847,903,437.60/347,230.38 - Step 6: Final answer
x = 278,915.41
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1.5x scale
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.