Finding the Fourth Proportional to 216,953.76, 299,185.84 and 169,189.68
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Solution
The fourth proportional to 216,953.76, 299,185.84 and 169,189.68 is: 233,317.72
Step by Step Solution
- Step 1: Write the proportion equation
216,953.76 : 299,185.84 = 169,189.68 : x - Step 2: Convert to fraction form
216,953.76/299,185.84 = 169,189.68/x - Step 3: Cross multiply
216,953.76x = 299,185.84 × 169,189.68 - Step 4: Simplify right side
216,953.76x = 50,619,156,530.13 - Step 5: Solve for x
x = 50,619,156,530.13/216,953.76 - Step 6: Final answer
x = 233,317.72
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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.