Finding the Fourth Proportional to 261,259.23, 389,720.01 and 252,513.09
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Solution
The fourth proportional to 261,259.23, 389,720.01 and 252,513.09 is: 376,673.41
Step by Step Solution
- Step 1: Write the proportion equation
261,259.23 : 389,720.01 = 252,513.09 : x - Step 2: Convert to fraction form
261,259.23/389,720.01 = 252,513.09/x - Step 3: Cross multiply
261,259.23x = 389,720.01 × 252,513.09 - Step 4: Simplify right side
261,259.23x = 98,409,403,959.93 - Step 5: Solve for x
x = 98,409,403,959.93/261,259.23 - Step 6: Final answer
x = 376,673.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.