Finding the Fourth Proportional to 539,430.40, 809,145.60 and 202,470.40
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Solution
The fourth proportional to 539,430.40, 809,145.60 and 202,470.40 is: 303,705.60
Step by Step Solution
- Step 1: Write the proportion equation
539,430.40 : 809,145.60 = 202,470.40 : x - Step 2: Convert to fraction form
539,430.40/809,145.60 = 202,470.40/x - Step 3: Cross multiply
539,430.40x = 809,145.60 × 202,470.40 - Step 4: Simplify right side
539,430.40x = 163,828,033,290.24 - Step 5: Solve for x
x = 163,828,033,290.24/539,430.40 - Step 6: Final answer
x = 303,705.60
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Similar ratio
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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.