Finding the Fourth Proportional to 414,534.97, 621,766.73 and 252,387.00
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Solution
The fourth proportional to 414,534.97, 621,766.73 and 252,387.00 is: 378,558.74
Step by Step Solution
- Step 1: Write the proportion equation
414,534.97 : 621,766.73 = 252,387.00 : x - Step 2: Convert to fraction form
414,534.97/621,766.73 = 252,387.00/x - Step 3: Cross multiply
414,534.97x = 621,766.73 × 252,387.00 - Step 4: Simplify right side
414,534.97x = 156,925,835,313.74 - Step 5: Solve for x
x = 156,925,835,313.74/414,534.97 - Step 6: Final answer
x = 378,558.74
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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.