Finding the Fourth Proportional to 667,310.08, 1,000,965.12 and 168,674.08
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Solution
The fourth proportional to 667,310.08, 1,000,965.12 and 168,674.08 is: 253,011.12
Step by Step Solution
- Step 1: Write the proportion equation
667,310.08 : 1,000,965.12 = 168,674.08 : x - Step 2: Convert to fraction form
667,310.08/1,000,965.12 = 168,674.08/x - Step 3: Cross multiply
667,310.08x = 1,000,965.12 × 168,674.08 - Step 4: Simplify right side
667,310.08x = 168,836,870,728.09 - Step 5: Solve for x
x = 168,836,870,728.09/667,310.08 - Step 6: Final answer
x = 253,011.12
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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.