Finding the Fourth Proportional to 216,190.11, 298,344.74 and 119,393.80
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Solution
The fourth proportional to 216,190.11, 298,344.74 and 119,393.80 is: 164,764.75
Step by Step Solution
- Step 1: Write the proportion equation
216,190.11 : 298,344.74 = 119,393.80 : x - Step 2: Convert to fraction form
216,190.11/298,344.74 = 119,393.80/x - Step 3: Cross multiply
216,190.11x = 298,344.74 × 119,393.80 - Step 4: Simplify right side
216,190.11x = 35,620,510,875.78 - Step 5: Solve for x
x = 35,620,510,875.78/216,190.11 - Step 6: Final answer
x = 164,764.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.