Finding the Fourth Proportional to 272,368.05, 408,554.96 and 82,859.28
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Solution
The fourth proportional to 272,368.05, 408,554.96 and 82,859.28 is: 124,289.80
Step by Step Solution
- Step 1: Write the proportion equation
272,368.05 : 408,554.96 = 82,859.28 : x - Step 2: Convert to fraction form
272,368.05/408,554.96 = 82,859.28/x - Step 3: Cross multiply
272,368.05x = 408,554.96 × 82,859.28 - Step 4: Simplify right side
272,368.05x = 33,852,569,411.73 - Step 5: Solve for x
x = 33,852,569,411.73/272,368.05 - Step 6: Final answer
x = 124,289.80
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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.