Finding the Fourth Proportional to 445,510.90, 668,247.99 and 161,208.19
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Solution
The fourth proportional to 445,510.90, 668,247.99 and 161,208.19 is: 241,805.64
Step by Step Solution
- Step 1: Write the proportion equation
445,510.90 : 668,247.99 = 161,208.19 : x - Step 2: Convert to fraction form
445,510.90/668,247.99 = 161,208.19/x - Step 3: Cross multiply
445,510.90x = 668,247.99 × 161,208.19 - Step 4: Simplify right side
445,510.90x = 107,727,048,939.04 - Step 5: Solve for x
x = 107,727,048,939.04/445,510.90 - Step 6: Final answer
x = 241,805.64
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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.