Finding the Fourth Proportional to 535,121.64, 802,680.84 and 135,761.67
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Solution
The fourth proportional to 535,121.64, 802,680.84 and 135,761.67 is: 203,642.09
Step by Step Solution
- Step 1: Write the proportion equation
535,121.64 : 802,680.84 = 135,761.67 : x - Step 2: Convert to fraction form
535,121.64/802,680.84 = 135,761.67/x - Step 3: Cross multiply
535,121.64x = 802,680.84 × 135,761.67 - Step 4: Simplify right side
535,121.64x = 108,973,291,315.40 - Step 5: Solve for x
x = 108,973,291,315.40/535,121.64 - Step 6: Final answer
x = 203,642.09
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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.