Finding the Fourth Proportional to 202,334.70, 303,502.05 and 97,128.30
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Solution
The fourth proportional to 202,334.70, 303,502.05 and 97,128.30 is: 145,692.45
Step by Step Solution
- Step 1: Write the proportion equation
202,334.70 : 303,502.05 = 97,128.30 : x - Step 2: Convert to fraction form
202,334.70/303,502.05 = 97,128.30/x - Step 3: Cross multiply
202,334.70x = 303,502.05 × 97,128.30 - Step 4: Simplify right side
202,334.70x = 29,478,638,163.02 - Step 5: Solve for x
x = 29,478,638,163.02/202,334.70 - Step 6: Final answer
x = 145,692.45
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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.