Finding the Fourth Proportional to 216,246.24, 298,416.24 and 120,754.08
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Solution
The fourth proportional to 216,246.24, 298,416.24 and 120,754.08 is: 166,638.64
Step by Step Solution
- Step 1: Write the proportion equation
216,246.24 : 298,416.24 = 120,754.08 : x - Step 2: Convert to fraction form
216,246.24/298,416.24 = 120,754.08/x - Step 3: Cross multiply
216,246.24x = 298,416.24 × 120,754.08 - Step 4: Simplify right side
216,246.24x = 36,034,978,518.26 - Step 5: Solve for x
x = 36,034,978,518.26/216,246.24 - Step 6: Final answer
x = 166,638.64
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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.