Finding the Fourth Proportional to 505,853.10, 758,822.58 and 206,353.98
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Solution
The fourth proportional to 505,853.10, 758,822.58 and 206,353.98 is: 309,548.48
Step by Step Solution
- Step 1: Write the proportion equation
505,853.10 : 758,822.58 = 206,353.98 : x - Step 2: Convert to fraction form
505,853.10/758,822.58 = 206,353.98/x - Step 3: Cross multiply
505,853.10x = 758,822.58 × 206,353.98 - Step 4: Simplify right side
505,853.10x = 156,586,059,496.87 - Step 5: Solve for x
x = 156,586,059,496.87/505,853.10 - Step 6: Final answer
x = 309,548.48
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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.