Finding the Fourth Proportional to 202,346.20, 303,519.30 and 97,139.80
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Solution
The fourth proportional to 202,346.20, 303,519.30 and 97,139.80 is: 145,709.70
Step by Step Solution
- Step 1: Write the proportion equation
202,346.20 : 303,519.30 = 97,139.80 : x - Step 2: Convert to fraction form
202,346.20/303,519.30 = 97,139.80/x - Step 3: Cross multiply
202,346.20x = 303,519.30 × 97,139.80 - Step 4: Simplify right side
202,346.20x = 29,483,804,098.14 - Step 5: Solve for x
x = 29,483,804,098.14/202,346.20 - Step 6: Final answer
x = 145,709.70
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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.