Finding the Fourth Proportional to 165,125.79, 227,770.79 and 137,459.84
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Solution
The fourth proportional to 165,125.79, 227,770.79 and 137,459.84 is: 189,608.99
Step by Step Solution
- Step 1: Write the proportion equation
165,125.79 : 227,770.79 = 137,459.84 : x - Step 2: Convert to fraction form
165,125.79/227,770.79 = 137,459.84/x - Step 3: Cross multiply
165,125.79x = 227,770.79 × 137,459.84 - Step 4: Simplify right side
165,125.79x = 31,309,334,523.92 - Step 5: Solve for x
x = 31,309,334,523.92/165,125.79 - Step 6: Final answer
x = 189,608.99
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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.