Finding the Fourth Proportional to 216,024.48, 298,084.14 and 120,512.70
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Solution
The fourth proportional to 216,024.48, 298,084.14 and 120,512.70 is: 166,290.99
Step by Step Solution
- Step 1: Write the proportion equation
216,024.48 : 298,084.14 = 120,512.70 : x - Step 2: Convert to fraction form
216,024.48/298,084.14 = 120,512.70/x - Step 3: Cross multiply
216,024.48x = 298,084.14 × 120,512.70 - Step 4: Simplify right side
216,024.48x = 35,922,924,538.58 - Step 5: Solve for x
x = 35,922,924,538.58/216,024.48 - Step 6: Final answer
x = 166,290.99
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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.