Finding the Fourth Proportional to 414,180.71, 620,459.13 and 214,631.99
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Solution
The fourth proportional to 414,180.71, 620,459.13 and 214,631.99 is: 321,527.23
Step by Step Solution
- Step 1: Write the proportion equation
414,180.71 : 620,459.13 = 214,631.99 : x - Step 2: Convert to fraction form
414,180.71/620,459.13 = 214,631.99/x - Step 3: Cross multiply
414,180.71x = 620,459.13 × 214,631.99 - Step 4: Simplify right side
414,180.71x = 133,170,374,683.27 - Step 5: Solve for x
x = 133,170,374,683.27/414,180.71 - Step 6: Final answer
x = 321,527.23
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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.