Finding the Fourth Proportional to 436,852.14, 655,278.48 and 121,309.08
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Solution
The fourth proportional to 436,852.14, 655,278.48 and 121,309.08 is: 181,963.69
Step by Step Solution
- Step 1: Write the proportion equation
436,852.14 : 655,278.48 = 121,309.08 : x - Step 2: Convert to fraction form
436,852.14/655,278.48 = 121,309.08/x - Step 3: Cross multiply
436,852.14x = 655,278.48 × 121,309.08 - Step 4: Simplify right side
436,852.14x = 79,491,229,552.60 - Step 5: Solve for x
x = 79,491,229,552.60/436,852.14 - Step 6: Final answer
x = 181,963.69
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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.