Finding the Fourth Proportional to 328,828.78, 453,753.63 and 192,837.70
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Solution
The fourth proportional to 328,828.78, 453,753.63 and 192,837.70 is: 266,098.39
Step by Step Solution
- Step 1: Write the proportion equation
328,828.78 : 453,753.63 = 192,837.70 : x - Step 2: Convert to fraction form
328,828.78/453,753.63 = 192,837.70/x - Step 3: Cross multiply
328,828.78x = 453,753.63 × 192,837.70 - Step 4: Simplify right side
328,828.78x = 87,500,807,118.49 - Step 5: Solve for x
x = 87,500,807,118.49/328,828.78 - Step 6: Final answer
x = 266,098.39
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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.