Finding the Fourth Proportional to 443,364.44, 611,623.71 and 261,988.63
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Solution
The fourth proportional to 443,364.44, 611,623.71 and 261,988.63 is: 361,414.77
Step by Step Solution
- Step 1: Write the proportion equation
443,364.44 : 611,623.71 = 261,988.63 : x - Step 2: Convert to fraction form
443,364.44/611,623.71 = 261,988.63/x - Step 3: Cross multiply
443,364.44x = 611,623.71 × 261,988.63 - Step 4: Simplify right side
443,364.44x = 160,238,456,329.36 - Step 5: Solve for x
x = 160,238,456,329.36/443,364.44 - Step 6: Final answer
x = 361,414.77
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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.