Finding the Fourth Proportional to 213,432.03, 294,542.10 and 117,944.73
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Solution
The fourth proportional to 213,432.03, 294,542.10 and 117,944.73 is: 162,766.99
Step by Step Solution
- Step 1: Write the proportion equation
213,432.03 : 294,542.10 = 117,944.73 : x - Step 2: Convert to fraction form
213,432.03/294,542.10 = 117,944.73/x - Step 3: Cross multiply
213,432.03x = 294,542.10 × 117,944.73 - Step 4: Simplify right side
213,432.03x = 34,739,688,458.13 - Step 5: Solve for x
x = 34,739,688,458.13/213,432.03 - Step 6: Final answer
x = 162,766.99
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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.