Finding the Fourth Proportional to 213,160.08, 294,162.96 and 117,664.73
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Solution
The fourth proportional to 213,160.08, 294,162.96 and 117,664.73 is: 162,378.45
Step by Step Solution
- Step 1: Write the proportion equation
213,160.08 : 294,162.96 = 117,664.73 : x - Step 2: Convert to fraction form
213,160.08/294,162.96 = 117,664.73/x - Step 3: Cross multiply
213,160.08x = 294,162.96 × 117,664.73 - Step 4: Simplify right side
213,160.08x = 34,612,603,793.59 - Step 5: Solve for x
x = 34,612,603,793.59/213,160.08 - Step 6: Final answer
x = 162,378.45
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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.