Finding the Fourth Proportional to 454,959.80, 682,439.70 and 202,239.80
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Solution
The fourth proportional to 454,959.80, 682,439.70 and 202,239.80 is: 303,359.70
Step by Step Solution
- Step 1: Write the proportion equation
454,959.80 : 682,439.70 = 202,239.80 : x - Step 2: Convert to fraction form
454,959.80/682,439.70 = 202,239.80/x - Step 3: Cross multiply
454,959.80x = 682,439.70 × 202,239.80 - Step 4: Simplify right side
454,959.80x = 138,016,468,440.06 - Step 5: Solve for x
x = 138,016,468,440.06/454,959.80 - Step 6: Final answer
x = 303,359.70
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Similar ratio
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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.