Finding the Fourth Proportional to 539,640.38, 809,319.46 and 160,458.99
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Solution
The fourth proportional to 539,640.38, 809,319.46 and 160,458.99 is: 240,646.53
Step by Step Solution
- Step 1: Write the proportion equation
539,640.38 : 809,319.46 = 160,458.99 : x - Step 2: Convert to fraction form
539,640.38/809,319.46 = 160,458.99/x - Step 3: Cross multiply
539,640.38x = 809,319.46 × 160,458.99 - Step 4: Simplify right side
539,640.38x = 129,862,583,138.95 - Step 5: Solve for x
x = 129,862,583,138.95/539,640.38 - Step 6: Final answer
x = 240,646.53
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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.