Finding the Fourth Proportional to 289,701.02, 399,786.14 and 162,376.62
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Solution
The fourth proportional to 289,701.02, 399,786.14 and 162,376.62 is: 224,079.03
Step by Step Solution
- Step 1: Write the proportion equation
289,701.02 : 399,786.14 = 162,376.62 : x - Step 2: Convert to fraction form
289,701.02/399,786.14 = 162,376.62/x - Step 3: Cross multiply
289,701.02x = 399,786.14 × 162,376.62 - Step 4: Simplify right side
289,701.02x = 64,915,922,136.05 - Step 5: Solve for x
x = 64,915,922,136.05/289,701.02 - Step 6: Final answer
x = 224,079.03
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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.