Finding the Fourth Proportional to 200,374.30, 276,542.12 and 115,491.96
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Solution
The fourth proportional to 200,374.30, 276,542.12 and 115,491.96 is: 159,393.65
Step by Step Solution
- Step 1: Write the proportion equation
200,374.30 : 276,542.12 = 115,491.96 : x - Step 2: Convert to fraction form
200,374.30/276,542.12 = 115,491.96/x - Step 3: Cross multiply
200,374.30x = 276,542.12 × 115,491.96 - Step 4: Simplify right side
200,374.30x = 31,938,391,461.36 - Step 5: Solve for x
x = 31,938,391,461.36/200,374.30 - Step 6: Final answer
x = 159,393.65
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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.