Finding the Fourth Proportional to 373,900.76, 560,925.10 and 137,245.49
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Solution
The fourth proportional to 373,900.76, 560,925.10 and 137,245.49 is: 205,895.38
Step by Step Solution
- Step 1: Write the proportion equation
373,900.76 : 560,925.10 = 137,245.49 : x - Step 2: Convert to fraction form
373,900.76/560,925.10 = 137,245.49/x - Step 3: Cross multiply
373,900.76x = 560,925.10 × 137,245.49 - Step 4: Simplify right side
373,900.76x = 76,984,439,673.20 - Step 5: Solve for x
x = 76,984,439,673.20/373,900.76 - Step 6: Final answer
x = 205,895.38
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1.5x scale
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.