Finding the Fourth Proportional to 453,357.99, 680,012.36 and 137,790.29
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Solution
The fourth proportional to 453,357.99, 680,012.36 and 137,790.29 is: 206,677.94
Step by Step Solution
- Step 1: Write the proportion equation
453,357.99 : 680,012.36 = 137,790.29 : x - Step 2: Convert to fraction form
453,357.99/680,012.36 = 137,790.29/x - Step 3: Cross multiply
453,357.99x = 680,012.36 × 137,790.29 - Step 4: Simplify right side
453,357.99x = 93,699,096,198.97 - Step 5: Solve for x
x = 93,699,096,198.97/453,357.99 - Step 6: Final answer
x = 206,677.94
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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.