Finding the Fourth Proportional to 216,161.37, 298,307.70 and 135,592.29
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Solution
The fourth proportional to 216,161.37, 298,307.70 and 135,592.29 is: 187,120.50
Step by Step Solution
- Step 1: Write the proportion equation
216,161.37 : 298,307.70 = 135,592.29 : x - Step 2: Convert to fraction form
216,161.37/298,307.70 = 135,592.29/x - Step 3: Cross multiply
216,161.37x = 298,307.70 × 135,592.29 - Step 4: Simplify right side
216,161.37x = 40,448,224,167.63 - Step 5: Solve for x
x = 40,448,224,167.63/216,161.37 - Step 6: Final answer
x = 187,120.50
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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.