Finding the Fourth Proportional to 261,983.70, 392,392.35 and 202,497.30
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Solution
The fourth proportional to 261,983.70, 392,392.35 and 202,497.30 is: 303,295.17
Step by Step Solution
- Step 1: Write the proportion equation
261,983.70 : 392,392.35 = 202,497.30 : x - Step 2: Convert to fraction form
261,983.70/392,392.35 = 202,497.30/x - Step 3: Cross multiply
261,983.70x = 392,392.35 × 202,497.30 - Step 4: Simplify right side
261,983.70x = 79,458,391,415.66 - Step 5: Solve for x
x = 79,458,391,415.66/261,983.70 - Step 6: Final answer
x = 303,295.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.