Finding the Fourth Proportional to 413,037.66, 619,405.11 and 143,096.09
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Solution
The fourth proportional to 413,037.66, 619,405.11 and 143,096.09 is: 214,591.68
Step by Step Solution
- Step 1: Write the proportion equation
413,037.66 : 619,405.11 = 143,096.09 : x - Step 2: Convert to fraction form
413,037.66/619,405.11 = 143,096.09/x - Step 3: Cross multiply
413,037.66x = 619,405.11 × 143,096.09 - Step 4: Simplify right side
413,037.66x = 88,634,446,269.99 - Step 5: Solve for x
x = 88,634,446,269.99/413,037.66 - Step 6: Final answer
x = 214,591.68
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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.