Finding the Fourth Proportional to 320,027.20, 480,040.80 and 202,220.80
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Solution
The fourth proportional to 320,027.20, 480,040.80 and 202,220.80 is: 303,331.20
Step by Step Solution
- Step 1: Write the proportion equation
320,027.20 : 480,040.80 = 202,220.80 : x - Step 2: Convert to fraction form
320,027.20/480,040.80 = 202,220.80/x - Step 3: Cross multiply
320,027.20x = 480,040.80 × 202,220.80 - Step 4: Simplify right side
320,027.20x = 97,074,234,608.64 - Step 5: Solve for x
x = 97,074,234,608.64/320,027.20 - Step 6: Final answer
x = 303,331.20
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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.