Finding the Fourth Proportional to 207,079.80, 310,619.70 and 94,759.80
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Solution
The fourth proportional to 207,079.80, 310,619.70 and 94,759.80 is: 142,139.70
Step by Step Solution
- Step 1: Write the proportion equation
207,079.80 : 310,619.70 = 94,759.80 : x - Step 2: Convert to fraction form
207,079.80/310,619.70 = 94,759.80/x - Step 3: Cross multiply
207,079.80x = 310,619.70 × 94,759.80 - Step 4: Simplify right side
207,079.80x = 29,434,260,648.06 - Step 5: Solve for x
x = 29,434,260,648.06/207,079.80 - Step 6: Final answer
x = 142,139.70
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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.