Finding the Fourth Proportional to 402,694.24, 603,665.64 and 136,269.40
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Solution
The fourth proportional to 402,694.24, 603,665.64 and 136,269.40 is: 204,276.96
Step by Step Solution
- Step 1: Write the proportion equation
402,694.24 : 603,665.64 = 136,269.40 : x - Step 2: Convert to fraction form
402,694.24/603,665.64 = 136,269.40/x - Step 3: Cross multiply
402,694.24x = 603,665.64 × 136,269.40 - Step 4: Simplify right side
402,694.24x = 82,261,154,563.42 - Step 5: Solve for x
x = 82,261,154,563.42/402,694.24 - Step 6: Final answer
x = 204,276.96
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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.