Finding the Fourth Proportional to 202,291.80, 303,437.70 and 135,763.80
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Solution
The fourth proportional to 202,291.80, 303,437.70 and 135,763.80 is: 203,645.70
Step by Step Solution
- Step 1: Write the proportion equation
202,291.80 : 303,437.70 = 135,763.80 : x - Step 2: Convert to fraction form
202,291.80/303,437.70 = 135,763.80/x - Step 3: Cross multiply
202,291.80x = 303,437.70 × 135,763.80 - Step 4: Simplify right side
202,291.80x = 41,195,855,215.26 - Step 5: Solve for x
x = 41,195,855,215.26/202,291.80 - Step 6: Final answer
x = 203,645.70
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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.