Finding the Fourth Proportional to 216,468.88, 298,701.18 and 119,659.69
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Solution
The fourth proportional to 216,468.88, 298,701.18 and 119,659.69 is: 165,116.07
Step by Step Solution
- Step 1: Write the proportion equation
216,468.88 : 298,701.18 = 119,659.69 : x - Step 2: Convert to fraction form
216,468.88/298,701.18 = 119,659.69/x - Step 3: Cross multiply
216,468.88x = 298,701.18 × 119,659.69 - Step 4: Simplify right side
216,468.88x = 35,742,491,563.13 - Step 5: Solve for x
x = 35,742,491,563.13/216,468.88 - Step 6: Final answer
x = 165,116.07
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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.