Finding the Fourth Proportional to 213,154.18, 294,160.17 and 117,664.42
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Solution
The fourth proportional to 213,154.18, 294,160.17 and 117,664.42 is: 162,380.99
Step by Step Solution
- Step 1: Write the proportion equation
213,154.18 : 294,160.17 = 117,664.42 : x - Step 2: Convert to fraction form
213,154.18/294,160.17 = 117,664.42/x - Step 3: Cross multiply
213,154.18x = 294,160.17 × 117,664.42 - Step 4: Simplify right side
213,154.18x = 34,612,185,790.15 - Step 5: Solve for x
x = 34,612,185,790.15/213,154.18 - Step 6: Final answer
x = 162,380.99
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1.5x scale
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.