Finding the Fourth Proportional to 539,639.38, 809,317.97 and 160,457.99
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Solution
The fourth proportional to 539,639.38, 809,317.97 and 160,457.99 is: 240,645.03
Step by Step Solution
- Step 1: Write the proportion equation
539,639.38 : 809,317.97 = 160,457.99 : x - Step 2: Convert to fraction form
539,639.38/809,317.97 = 160,457.99/x - Step 3: Cross multiply
539,639.38x = 809,317.97 × 160,457.99 - Step 4: Simplify right side
539,639.38x = 129,861,533,934.79 - Step 5: Solve for x
x = 129,861,533,934.79/539,639.38 - Step 6: Final answer
x = 240,645.03
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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.