Finding the Fourth Proportional to 403,149.26, 556,230.56 and 259,991.48
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Solution
The fourth proportional to 403,149.26, 556,230.56 and 259,991.48 is: 358,713.81
Step by Step Solution
- Step 1: Write the proportion equation
403,149.26 : 556,230.56 = 259,991.48 : x - Step 2: Convert to fraction form
403,149.26/556,230.56 = 259,991.48/x - Step 3: Cross multiply
403,149.26x = 556,230.56 × 259,991.48 - Step 4: Simplify right side
403,149.26x = 144,615,206,515.63 - Step 5: Solve for x
x = 144,615,206,515.63/403,149.26 - Step 6: Final answer
x = 358,713.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.