Finding the Fourth Proportional to 202,159.80, 303,239.70 and 68,995.80
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Solution
The fourth proportional to 202,159.80, 303,239.70 and 68,995.80 is: 103,493.70
Step by Step Solution
- Step 1: Write the proportion equation
202,159.80 : 303,239.70 = 68,995.80 : x - Step 2: Convert to fraction form
202,159.80/303,239.70 = 68,995.80/x - Step 3: Cross multiply
202,159.80x = 303,239.70 × 68,995.80 - Step 4: Simplify right side
202,159.80x = 20,922,265,693.26 - Step 5: Solve for x
x = 20,922,265,693.26/202,159.80 - Step 6: Final answer
x = 103,493.70
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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.