Finding the Fourth Proportional to 490,330.80, 735,481.56 and 135,366.48
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Solution
The fourth proportional to 490,330.80, 735,481.56 and 135,366.48 is: 203,045.68
Step by Step Solution
- Step 1: Write the proportion equation
490,330.80 : 735,481.56 = 135,366.48 : x - Step 2: Convert to fraction form
490,330.80/735,481.56 = 135,366.48/x - Step 3: Cross multiply
490,330.80x = 735,481.56 × 135,366.48 - Step 4: Simplify right side
490,330.80x = 99,559,549,882.11 - Step 5: Solve for x
x = 99,559,549,882.11/490,330.80 - Step 6: Final answer
x = 203,045.68
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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.