Finding the Fourth Proportional to 154,918.77, 232,191.29 and 79,998.08
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Solution
The fourth proportional to 154,918.77, 232,191.29 and 79,998.08 is: 119,900.62
Step by Step Solution
- Step 1: Write the proportion equation
154,918.77 : 232,191.29 = 79,998.08 : x - Step 2: Convert to fraction form
154,918.77/232,191.29 = 79,998.08/x - Step 3: Cross multiply
154,918.77x = 232,191.29 × 79,998.08 - Step 4: Simplify right side
154,918.77x = 18,574,856,431.76 - Step 5: Solve for x
x = 18,574,856,431.76/154,918.77 - Step 6: Final answer
x = 119,900.62
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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.