Finding the Fourth Proportional to 272,121.49, 408,024.50 and 92,146.84
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Solution
The fourth proportional to 272,121.49, 408,024.50 and 92,146.84 is: 138,166.85
Step by Step Solution
- Step 1: Write the proportion equation
272,121.49 : 408,024.50 = 92,146.84 : x - Step 2: Convert to fraction form
272,121.49/408,024.50 = 92,146.84/x - Step 3: Cross multiply
272,121.49x = 408,024.50 × 92,146.84 - Step 4: Simplify right side
272,121.49x = 37,598,168,317.58 - Step 5: Solve for x
x = 37,598,168,317.58/272,121.49 - Step 6: Final answer
x = 138,166.85
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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.