Finding the Fourth Proportional to 216,680.40, 299,020.92 and 119,898.48
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Solution
The fourth proportional to 216,680.40, 299,020.92 and 119,898.48 is: 165,460.99
Step by Step Solution
- Step 1: Write the proportion equation
216,680.40 : 299,020.92 = 119,898.48 : x - Step 2: Convert to fraction form
216,680.40/299,020.92 = 119,898.48/x - Step 3: Cross multiply
216,680.40x = 299,020.92 × 119,898.48 - Step 4: Simplify right side
216,680.40x = 35,852,153,796.20 - Step 5: Solve for x
x = 35,852,153,796.20/216,680.40 - Step 6: Final answer
x = 165,460.99
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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.