Finding the Fourth Proportional to 261,218.28, 360,480.10 and 141,988.84
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Solution
The fourth proportional to 261,218.28, 360,480.10 and 141,988.84 is: 195,943.99
Step by Step Solution
- Step 1: Write the proportion equation
261,218.28 : 360,480.10 = 141,988.84 : x - Step 2: Convert to fraction form
261,218.28/360,480.10 = 141,988.84/x - Step 3: Cross multiply
261,218.28x = 360,480.10 × 141,988.84 - Step 4: Simplify right side
261,218.28x = 51,184,151,242.08 - Step 5: Solve for x
x = 51,184,151,242.08/261,218.28 - Step 6: Final answer
x = 195,943.99
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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.