Finding the Fourth Proportional to 225,072.24, 310,453.36 and 144,371.96
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Solution
The fourth proportional to 225,072.24, 310,453.36 and 144,371.96 is: 199,139.44
Step by Step Solution
- Step 1: Write the proportion equation
225,072.24 : 310,453.36 = 144,371.96 : x - Step 2: Convert to fraction form
225,072.24/310,453.36 = 144,371.96/x - Step 3: Cross multiply
225,072.24x = 310,453.36 × 144,371.96 - Step 4: Simplify right side
225,072.24x = 44,820,760,071.79 - Step 5: Solve for x
x = 44,820,760,071.79/225,072.24 - Step 6: Final answer
x = 199,139.44
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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.