Finding the Fourth Proportional to 202,455.60, 303,769.80 and 97,220.40
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Solution
The fourth proportional to 202,455.60, 303,769.80 and 97,220.40 is: 145,872.09
Step by Step Solution
- Step 1: Write the proportion equation
202,455.60 : 303,769.80 = 97,220.40 : x - Step 2: Convert to fraction form
202,455.60/303,769.80 = 97,220.40/x - Step 3: Cross multiply
202,455.60x = 303,769.80 × 97,220.40 - Step 4: Simplify right side
202,455.60x = 29,532,621,463.92 - Step 5: Solve for x
x = 29,532,621,463.92/202,455.60 - Step 6: Final answer
x = 145,872.09
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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.