Finding the Fourth Proportional to 437,543.80, 656,234.70 and 121,935.40
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Solution
The fourth proportional to 437,543.80, 656,234.70 and 121,935.40 is: 182,880.53
Step by Step Solution
- Step 1: Write the proportion equation
437,543.80 : 656,234.70 = 121,935.40 : x - Step 2: Convert to fraction form
437,543.80/656,234.70 = 121,935.40/x - Step 3: Cross multiply
437,543.80x = 656,234.70 × 121,935.40 - Step 4: Simplify right side
437,543.80x = 80,018,240,638.38 - Step 5: Solve for x
x = 80,018,240,638.38/437,543.80 - Step 6: Final answer
x = 182,880.53
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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.