Finding the Fourth Proportional to 102,501.36, 153,740.61 and 27,628.97
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Solution
The fourth proportional to 102,501.36, 153,740.61 and 27,628.97 is: 41,440.37
Step by Step Solution
- Step 1: Write the proportion equation
102,501.36 : 153,740.61 = 27,628.97 : x - Step 2: Convert to fraction form
102,501.36/153,740.61 = 27,628.97/x - Step 3: Cross multiply
102,501.36x = 153,740.61 × 27,628.97 - Step 4: Simplify right side
102,501.36x = 4,247,693,932.77 - Step 5: Solve for x
x = 4,247,693,932.77/102,501.36 - Step 6: Final answer
x = 41,440.37
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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.