Finding the Fourth Proportional to 84,195.21, 126,292.95 and 56,170.02
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Solution
The fourth proportional to 84,195.21, 126,292.95 and 56,170.02 is: 84,255.12
Step by Step Solution
- Step 1: Write the proportion equation
84,195.21 : 126,292.95 = 56,170.02 : x - Step 2: Convert to fraction form
84,195.21/126,292.95 = 56,170.02/x - Step 3: Cross multiply
84,195.21x = 126,292.95 × 56,170.02 - Step 4: Simplify right side
84,195.21x = 7,093,877,527.36 - Step 5: Solve for x
x = 7,093,877,527.36/84,195.21 - Step 6: Final answer
x = 84,255.12
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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.