Finding the Fourth Proportional to 134,675.22, 202,010.79 and 45,990.75
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Solution
The fourth proportional to 134,675.22, 202,010.79 and 45,990.75 is: 68,985.43
Step by Step Solution
- Step 1: Write the proportion equation
134,675.22 : 202,010.79 = 45,990.75 : x - Step 2: Convert to fraction form
134,675.22/202,010.79 = 45,990.75/x - Step 3: Cross multiply
134,675.22x = 202,010.79 × 45,990.75 - Step 4: Simplify right side
134,675.22x = 9,290,627,740.19 - Step 5: Solve for x
x = 9,290,627,740.19/134,675.22 - Step 6: Final answer
x = 68,985.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.