Finding the Fourth Proportional to 414,177.71, 620,454.63 and 214,628.99
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Solution
The fourth proportional to 414,177.71, 620,454.63 and 214,628.99 is: 321,522.74
Step by Step Solution
- Step 1: Write the proportion equation
414,177.71 : 620,454.63 = 214,628.99 : x - Step 2: Convert to fraction form
414,177.71/620,454.63 = 214,628.99/x - Step 3: Cross multiply
414,177.71x = 620,454.63 × 214,628.99 - Step 4: Simplify right side
414,177.71x = 133,167,551,770.37 - Step 5: Solve for x
x = 133,167,551,770.37/414,177.71 - Step 6: Final answer
x = 321,522.74
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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.