Finding the Fourth Proportional to 164,299.05, 226,733.99 and 90,713.79
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Solution
The fourth proportional to 164,299.05, 226,733.99 and 90,713.79 is: 125,185.75
Step by Step Solution
- Step 1: Write the proportion equation
164,299.05 : 226,733.99 = 90,713.79 : x - Step 2: Convert to fraction form
164,299.05/226,733.99 = 90,713.79/x - Step 3: Cross multiply
164,299.05x = 226,733.99 × 90,713.79 - Step 4: Simplify right side
164,299.05x = 20,567,899,101.15 - Step 5: Solve for x
x = 20,567,899,101.15/164,299.05 - Step 6: Final answer
x = 125,185.75
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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.