Finding the Fourth Proportional to 261,764.36, 361,252.68 and 145,491.76
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Solution
The fourth proportional to 261,764.36, 361,252.68 and 145,491.76 is: 200,788.56
Step by Step Solution
- Step 1: Write the proportion equation
261,764.36 : 361,252.68 = 145,491.76 : x - Step 2: Convert to fraction form
261,764.36/361,252.68 = 145,491.76/x - Step 3: Cross multiply
261,764.36x = 361,252.68 × 145,491.76 - Step 4: Simplify right side
261,764.36x = 52,559,288,217.92 - Step 5: Solve for x
x = 52,559,288,217.92/261,764.36 - Step 6: Final answer
x = 200,788.56
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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.