Finding the Fourth Proportional to 202,518.70, 303,778.05 and 97,312.30
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Solution
The fourth proportional to 202,518.70, 303,778.05 and 97,312.30 is: 145,968.45
Step by Step Solution
- Step 1: Write the proportion equation
202,518.70 : 303,778.05 = 97,312.30 : x - Step 2: Convert to fraction form
202,518.70/303,778.05 = 97,312.30/x - Step 3: Cross multiply
202,518.70x = 303,778.05 × 97,312.30 - Step 4: Simplify right side
202,518.70x = 29,561,340,735.02 - Step 5: Solve for x
x = 29,561,340,735.02/202,518.70 - Step 6: Final answer
x = 145,968.45
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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.