Finding the Fourth Proportional to 328,665.36, 493,052.52 and 115,377.96
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Solution
The fourth proportional to 328,665.36, 493,052.52 and 115,377.96 is: 173,086.07
Step by Step Solution
- Step 1: Write the proportion equation
328,665.36 : 493,052.52 = 115,377.96 : x - Step 2: Convert to fraction form
328,665.36/493,052.52 = 115,377.96/x - Step 3: Cross multiply
328,665.36x = 493,052.52 × 115,377.96 - Step 4: Simplify right side
328,665.36x = 56,887,393,930.46 - Step 5: Solve for x
x = 56,887,393,930.46/328,665.36 - Step 6: Final answer
x = 173,086.07
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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.