Finding the Fourth Proportional to 539,684.21, 809,470.84 and 179,816.19
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Solution
The fourth proportional to 539,684.21, 809,470.84 and 179,816.19 is: 269,705.80
Step by Step Solution
- Step 1: Write the proportion equation
539,684.21 : 809,470.84 = 179,816.19 : x - Step 2: Convert to fraction form
539,684.21/809,470.84 = 179,816.19/x - Step 3: Cross multiply
539,684.21x = 809,470.84 × 179,816.19 - Step 4: Simplify right side
539,684.21x = 145,555,963,489.50 - Step 5: Solve for x
x = 145,555,963,489.50/539,684.21 - Step 6: Final answer
x = 269,705.80
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1.5x scale
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.