Finding the Fourth Proportional to 417,959.81, 576,961.09 and 282,177.67
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Solution
The fourth proportional to 417,959.81, 576,961.09 and 282,177.67 is: 389,524.37
Step by Step Solution
- Step 1: Write the proportion equation
417,959.81 : 576,961.09 = 282,177.67 : x - Step 2: Convert to fraction form
417,959.81/576,961.09 = 282,177.67/x - Step 3: Cross multiply
417,959.81x = 576,961.09 × 282,177.67 - Step 4: Simplify right side
417,959.81x = 162,805,533,172.06 - Step 5: Solve for x
x = 162,805,533,172.06/417,959.81 - Step 6: Final answer
x = 389,524.37
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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.