Finding the Fourth Proportional to 205,697.92, 283,889.42 and 115,058.92
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Solution
The fourth proportional to 205,697.92, 283,889.42 and 115,058.92 is: 158,796.02
Step by Step Solution
- Step 1: Write the proportion equation
205,697.92 : 283,889.42 = 115,058.92 : x - Step 2: Convert to fraction form
205,697.92/283,889.42 = 115,058.92/x - Step 3: Cross multiply
205,697.92x = 283,889.42 × 115,058.92 - Step 4: Simplify right side
205,697.92x = 32,664,010,064.63 - Step 5: Solve for x
x = 32,664,010,064.63/205,697.92 - Step 6: Final answer
x = 158,796.02
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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.