Finding the Fourth Proportional to 128,266.68, 192,402.99 and 44,026.14
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Solution
The fourth proportional to 128,266.68, 192,402.99 and 44,026.14 is: 66,040.23
Step by Step Solution
- Step 1: Write the proportion equation
128,266.68 : 192,402.99 = 44,026.14 : x - Step 2: Convert to fraction form
128,266.68/192,402.99 = 44,026.14/x - Step 3: Cross multiply
128,266.68x = 192,402.99 × 44,026.14 - Step 4: Simplify right side
128,266.68x = 8,470,760,974.16 - Step 5: Solve for x
x = 8,470,760,974.16/128,266.68 - Step 6: Final answer
x = 66,040.23
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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.