Finding the Fourth Proportional to 202,417.70, 303,626.55 and 97,211.30
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Solution
The fourth proportional to 202,417.70, 303,626.55 and 97,211.30 is: 145,816.95
Step by Step Solution
- Step 1: Write the proportion equation
202,417.70 : 303,626.55 = 97,211.30 : x - Step 2: Convert to fraction form
202,417.70/303,626.55 = 97,211.30/x - Step 3: Cross multiply
202,417.70x = 303,626.55 × 97,211.30 - Step 4: Simplify right side
202,417.70x = 29,515,931,640.02 - Step 5: Solve for x
x = 29,515,931,640.02/202,417.70 - Step 6: Final answer
x = 145,816.95
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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.