Finding the Fourth Proportional to 207,317.80, 310,976.70 and 94,997.80
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Solution
The fourth proportional to 207,317.80, 310,976.70 and 94,997.80 is: 142,496.70
Step by Step Solution
- Step 1: Write the proportion equation
207,317.80 : 310,976.70 = 94,997.80 : x - Step 2: Convert to fraction form
207,317.80/310,976.70 = 94,997.80/x - Step 3: Cross multiply
207,317.80x = 310,976.70 × 94,997.80 - Step 4: Simplify right side
207,317.80x = 29,542,102,351.26 - Step 5: Solve for x
x = 29,542,102,351.26/207,317.80 - Step 6: Final answer
x = 142,496.70
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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.