Finding the Fourth Proportional to 539,571.96, 809,357.40 and 160,491.12
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Solution
The fourth proportional to 539,571.96, 809,357.40 and 160,491.12 is: 240,736.52
Step by Step Solution
- Step 1: Write the proportion equation
539,571.96 : 809,357.40 = 160,491.12 : x - Step 2: Convert to fraction form
539,571.96/809,357.40 = 160,491.12/x - Step 3: Cross multiply
539,571.96x = 809,357.40 × 160,491.12 - Step 4: Simplify right side
539,571.96x = 129,894,675,606.29 - Step 5: Solve for x
x = 129,894,675,606.29/539,571.96 - Step 6: Final answer
x = 240,736.52
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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.