Finding the Fourth Proportional to 302,611.80, 453,917.70 and 80,995.80
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Solution
The fourth proportional to 302,611.80, 453,917.70 and 80,995.80 is: 121,493.70
Step by Step Solution
- Step 1: Write the proportion equation
302,611.80 : 453,917.70 = 80,995.80 : x - Step 2: Convert to fraction form
302,611.80/453,917.70 = 80,995.80/x - Step 3: Cross multiply
302,611.80x = 453,917.70 × 80,995.80 - Step 4: Simplify right side
302,611.80x = 36,765,427,245.66 - Step 5: Solve for x
x = 36,765,427,245.66/302,611.80 - Step 6: Final answer
x = 121,493.70
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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.