Finding the Fourth Proportional to 539,569.80, 810,010.80 and 273,193.20
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Solution
The fourth proportional to 539,569.80, 810,010.80 and 273,193.20 is: 410,121.99
Step by Step Solution
- Step 1: Write the proportion equation
539,569.80 : 810,010.80 = 273,193.20 : x - Step 2: Convert to fraction form
539,569.80/810,010.80 = 273,193.20/x - Step 3: Cross multiply
539,569.80x = 810,010.80 × 273,193.20 - Step 4: Simplify right side
539,569.80x = 221,289,442,486.56 - Step 5: Solve for x
x = 221,289,442,486.56/539,569.80 - Step 6: Final answer
x = 410,121.99
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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.