Finding the Fourth Proportional to 438,676.63, 657,880.99 and 185,952.38
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Solution
The fourth proportional to 438,676.63, 657,880.99 and 185,952.38 is: 278,871.78
Step by Step Solution
- Step 1: Write the proportion equation
438,676.63 : 657,880.99 = 185,952.38 : x - Step 2: Convert to fraction form
438,676.63/657,880.99 = 185,952.38/x - Step 3: Cross multiply
438,676.63x = 657,880.99 × 185,952.38 - Step 4: Simplify right side
438,676.63x = 122,334,532,092.97 - Step 5: Solve for x
x = 122,334,532,092.97/438,676.63 - Step 6: Final answer
x = 278,871.78
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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.