Finding the Fourth Proportional to 369,076.71, 509,325.86 and 199,310.84
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Solution
The fourth proportional to 369,076.71, 509,325.86 and 199,310.84 is: 275,048.95
Step by Step Solution
- Step 1: Write the proportion equation
369,076.71 : 509,325.86 = 199,310.84 : x - Step 2: Convert to fraction form
369,076.71/509,325.86 = 199,310.84/x - Step 3: Cross multiply
369,076.71x = 509,325.86 × 199,310.84 - Step 4: Simplify right side
369,076.71x = 101,514,162,941.97 - Step 5: Solve for x
x = 101,514,162,941.97/369,076.71 - Step 6: Final answer
x = 275,048.95
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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.