Finding the Fourth Proportional to 318,343.28, 477,463.01 and 93,651.19
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Solution
The fourth proportional to 318,343.28, 477,463.01 and 93,651.19 is: 140,461.50
Step by Step Solution
- Step 1: Write the proportion equation
318,343.28 : 477,463.01 = 93,651.19 : x - Step 2: Convert to fraction form
318,343.28/477,463.01 = 93,651.19/x - Step 3: Cross multiply
318,343.28x = 477,463.01 × 93,651.19 - Step 4: Simplify right side
318,343.28x = 44,714,976,211.91 - Step 5: Solve for x
x = 44,714,976,211.91/318,343.28 - Step 6: Final answer
x = 140,461.50
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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.