Finding the Fourth Proportional to 227,343.05, 313,726.19 and 125,372.81
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Solution
The fourth proportional to 227,343.05, 313,726.19 and 125,372.81 is: 173,010.49
Step by Step Solution
- Step 1: Write the proportion equation
227,343.05 : 313,726.19 = 125,372.81 : x - Step 2: Convert to fraction form
227,343.05/313,726.19 = 125,372.81/x - Step 3: Cross multiply
227,343.05x = 313,726.19 × 125,372.81 - Step 4: Simplify right side
227,343.05x = 39,332,731,815.40 - Step 5: Solve for x
x = 39,332,731,815.40/227,343.05 - Step 6: Final answer
x = 173,010.49
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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.