Finding the Fourth Proportional to 507,211.98, 699,943.96 and 280,852.62
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Solution
The fourth proportional to 507,211.98, 699,943.96 and 280,852.62 is: 387,571.87
Step by Step Solution
- Step 1: Write the proportion equation
507,211.98 : 699,943.96 = 280,852.62 : x - Step 2: Convert to fraction form
507,211.98/699,943.96 = 280,852.62/x - Step 3: Cross multiply
507,211.98x = 699,943.96 × 280,852.62 - Step 4: Simplify right side
507,211.98x = 196,581,095,019.18 - Step 5: Solve for x
x = 196,581,095,019.18/507,211.98 - Step 6: Final answer
x = 387,571.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.