Finding the Fourth Proportional to 1,136.01, 1,704.50 and 642.48
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Solution
The fourth proportional to 1,136.01, 1,704.50 and 642.48 is: 963.99
Step by Step Solution
- Step 1: Write the proportion equation
1,136.01 : 1,704.50 = 642.48 : x - Step 2: Convert to fraction form
1,136.01/1,704.50 = 642.48/x - Step 3: Cross multiply
1,136.01x = 1,704.50 × 642.48 - Step 4: Simplify right side
1,136.01x = 1,095,107.16 - Step 5: Solve for x
x = 1,095,107.16/1,136.01 - Step 6: Final answer
x = 963.99
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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.