Finding the Fourth Proportional to 324,204.42, 447,387.69 and 180,961.19
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Solution
The fourth proportional to 324,204.42, 447,387.69 and 180,961.19 is: 249,718.39
Step by Step Solution
- Step 1: Write the proportion equation
324,204.42 : 447,387.69 = 180,961.19 : x - Step 2: Convert to fraction form
324,204.42/447,387.69 = 180,961.19/x - Step 3: Cross multiply
324,204.42x = 447,387.69 × 180,961.19 - Step 4: Simplify right side
324,204.42x = 80,959,805,632.01 - Step 5: Solve for x
x = 80,959,805,632.01/324,204.42 - Step 6: Final answer
x = 249,718.39
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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.