Finding the Fourth Proportional to 623,136.40, 934,704.60 and 202,454.80
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Solution
The fourth proportional to 623,136.40, 934,704.60 and 202,454.80 is: 303,682.20
Step by Step Solution
- Step 1: Write the proportion equation
623,136.40 : 934,704.60 = 202,454.80 : x - Step 2: Convert to fraction form
623,136.40/934,704.60 = 202,454.80/x - Step 3: Cross multiply
623,136.40x = 934,704.60 × 202,454.80 - Step 4: Simplify right side
623,136.40x = 189,235,432,852.08 - Step 5: Solve for x
x = 189,235,432,852.08/623,136.40 - Step 6: Final answer
x = 303,682.20
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Similar ratio
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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.