Finding the Fourth Proportional to 272,035.40, 408,053.10 and 270,285.80
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Solution
The fourth proportional to 272,035.40, 408,053.10 and 270,285.80 is: 405,428.70
Step by Step Solution
- Step 1: Write the proportion equation
272,035.40 : 408,053.10 = 270,285.80 : x - Step 2: Convert to fraction form
272,035.40/408,053.10 = 270,285.80/x - Step 3: Cross multiply
272,035.40x = 408,053.10 × 270,285.80 - Step 4: Simplify right side
272,035.40x = 110,290,958,575.98 - Step 5: Solve for x
x = 110,290,958,575.98/272,035.40 - Step 6: Final answer
x = 405,428.70
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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.