Finding the Fourth Proportional to 216,247.24, 298,417.62 and 120,755.08
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Solution
The fourth proportional to 216,247.24, 298,417.62 and 120,755.08 is: 166,640.02
Step by Step Solution
- Step 1: Write the proportion equation
216,247.24 : 298,417.62 = 120,755.08 : x - Step 2: Convert to fraction form
216,247.24/298,417.62 = 120,755.08/x - Step 3: Cross multiply
216,247.24x = 298,417.62 × 120,755.08 - Step 4: Simplify right side
216,247.24x = 36,035,443,576.51 - Step 5: Solve for x
x = 36,035,443,576.51/216,247.24 - Step 6: Final answer
x = 166,640.02
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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.