Finding the Fourth Proportional to 347,646.38, 521,550.88 and 107,747.73
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Solution
The fourth proportional to 347,646.38, 521,550.88 and 107,747.73 is: 161,646.80
Step by Step Solution
- Step 1: Write the proportion equation
347,646.38 : 521,550.88 = 107,747.73 : x - Step 2: Convert to fraction form
347,646.38/521,550.88 = 107,747.73/x - Step 3: Cross multiply
347,646.38x = 521,550.88 × 107,747.73 - Step 4: Simplify right side
347,646.38x = 56,195,923,130.13 - Step 5: Solve for x
x = 56,195,923,130.13/347,646.38 - Step 6: Final answer
x = 161,646.80
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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.