Finding the Fourth Proportional to 272,455.84, 408,480.15 and 187,974.94
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Solution
The fourth proportional to 272,455.84, 408,480.15 and 187,974.94 is: 281,821.92
Step by Step Solution
- Step 1: Write the proportion equation
272,455.84 : 408,480.15 = 187,974.94 : x - Step 2: Convert to fraction form
272,455.84/408,480.15 = 187,974.94/x - Step 3: Cross multiply
272,455.84x = 408,480.15 × 187,974.94 - Step 4: Simplify right side
272,455.84x = 76,784,028,705.17 - Step 5: Solve for x
x = 76,784,028,705.17/272,455.84 - Step 6: Final answer
x = 281,821.92
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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.