Finding the Fourth Proportional to 157,836.66, 236,789.99 and 45,508.13
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Solution
The fourth proportional to 157,836.66, 236,789.99 and 45,508.13 is: 68,272.28
Step by Step Solution
- Step 1: Write the proportion equation
157,836.66 : 236,789.99 = 45,508.13 : x - Step 2: Convert to fraction form
157,836.66/236,789.99 = 45,508.13/x - Step 3: Cross multiply
157,836.66x = 236,789.99 × 45,508.13 - Step 4: Simplify right side
157,836.66x = 10,775,868,236.13 - Step 5: Solve for x
x = 10,775,868,236.13/157,836.66 - Step 6: Final answer
x = 68,272.28
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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.