Finding the Fourth Proportional to 165,135.91, 227,888.90 and 89,684.95
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Solution
The fourth proportional to 165,135.91, 227,888.90 and 89,684.95 is: 123,765.96
Step by Step Solution
- Step 1: Write the proportion equation
165,135.91 : 227,888.90 = 89,684.95 : x - Step 2: Convert to fraction form
165,135.91/227,888.90 = 89,684.95/x - Step 3: Cross multiply
165,135.91x = 227,888.90 × 89,684.95 - Step 4: Simplify right side
165,135.91x = 20,438,204,153.63 - Step 5: Solve for x
x = 20,438,204,153.63/165,135.91 - Step 6: Final answer
x = 123,765.96
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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.