Finding the Fourth Proportional to 539,581.26, 809,218.80 and 160,486.68
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Solution
The fourth proportional to 539,581.26, 809,218.80 and 160,486.68 is: 240,684.49
Step by Step Solution
- Step 1: Write the proportion equation
539,581.26 : 809,218.80 = 160,486.68 : x - Step 2: Convert to fraction form
539,581.26/809,218.80 = 160,486.68/x - Step 3: Cross multiply
539,581.26x = 809,218.80 × 160,486.68 - Step 4: Simplify right side
539,581.26x = 129,868,838,605.58 - Step 5: Solve for x
x = 129,868,838,605.58/539,581.26 - Step 6: Final answer
x = 240,684.49
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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.