Finding the Fourth Proportional to 449,474.25, 620,276.58 and 245,528.00
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Solution
The fourth proportional to 449,474.25, 620,276.58 and 245,528.00 is: 338,829.79
Step by Step Solution
- Step 1: Write the proportion equation
449,474.25 : 620,276.58 = 245,528.00 : x - Step 2: Convert to fraction form
449,474.25/620,276.58 = 245,528.00/x - Step 3: Cross multiply
449,474.25x = 620,276.58 × 245,528.00 - Step 4: Simplify right side
449,474.25x = 152,295,265,032.86 - Step 5: Solve for x
x = 152,295,265,032.86/449,474.25 - Step 6: Final answer
x = 338,829.79
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1.5x scale
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.