Finding the Fourth Proportional to 752,083.86, 1,128,129.63 and 253,452.18
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Solution
The fourth proportional to 752,083.86, 1,128,129.63 and 253,452.18 is: 380,179.56
Step by Step Solution
- Step 1: Write the proportion equation
752,083.86 : 1,128,129.63 = 253,452.18 : x - Step 2: Convert to fraction form
752,083.86/1,128,129.63 = 253,452.18/x - Step 3: Cross multiply
752,083.86x = 1,128,129.63 × 253,452.18 - Step 4: Simplify right side
752,083.86x = 285,926,914,046.09 - Step 5: Solve for x
x = 285,926,914,046.09/752,083.86 - Step 6: Final answer
x = 380,179.56
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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.