Finding the Fourth Proportional to 450,338.99, 675,509.17 and 113,379.70
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Solution
The fourth proportional to 450,338.99, 675,509.17 and 113,379.70 is: 170,069.72
Step by Step Solution
- Step 1: Write the proportion equation
450,338.99 : 675,509.17 = 113,379.70 : x - Step 2: Convert to fraction form
450,338.99/675,509.17 = 113,379.70/x - Step 3: Cross multiply
450,338.99x = 675,509.17 × 113,379.70 - Step 4: Simplify right side
450,338.99x = 76,589,026,548.79 - Step 5: Solve for x
x = 76,589,026,548.79/450,338.99 - Step 6: Final answer
x = 170,069.72
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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.