Finding the Fourth Proportional to 538,364.96, 807,920.26 and 214,119.80
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Solution
The fourth proportional to 538,364.96, 807,920.26 and 214,119.80 is: 321,327.98
Step by Step Solution
- Step 1: Write the proportion equation
538,364.96 : 807,920.26 = 214,119.80 : x - Step 2: Convert to fraction form
538,364.96/807,920.26 = 214,119.80/x - Step 3: Cross multiply
538,364.96x = 807,920.26 × 214,119.80 - Step 4: Simplify right side
538,364.96x = 172,991,724,487.15 - Step 5: Solve for x
x = 172,991,724,487.15/538,364.96 - Step 6: Final answer
x = 321,327.98
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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.