Finding the Fourth Proportional to 623,129.40, 934,694.10 and 202,447.80
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Solution
The fourth proportional to 623,129.40, 934,694.10 and 202,447.80 is: 303,671.70
Step by Step Solution
- Step 1: Write the proportion equation
623,129.40 : 934,694.10 = 202,447.80 : x - Step 2: Convert to fraction form
623,129.40/934,694.10 = 202,447.80/x - Step 3: Cross multiply
623,129.40x = 934,694.10 × 202,447.80 - Step 4: Simplify right side
623,129.40x = 189,226,764,217.98 - Step 5: Solve for x
x = 189,226,764,217.98/623,129.40 - Step 6: Final answer
x = 303,671.70
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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.