Finding the Fourth Proportional to 216,517.08, 298,792.80 and 121,023.84
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Solution
The fourth proportional to 216,517.08, 298,792.80 and 121,023.84 is: 167,012.47
Step by Step Solution
- Step 1: Write the proportion equation
216,517.08 : 298,792.80 = 121,023.84 : x - Step 2: Convert to fraction form
216,517.08/298,792.80 = 121,023.84/x - Step 3: Cross multiply
216,517.08x = 298,792.80 × 121,023.84 - Step 4: Simplify right side
216,517.08x = 36,161,052,020.35 - Step 5: Solve for x
x = 36,161,052,020.35/216,517.08 - Step 6: Final answer
x = 167,012.47
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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.