Finding the Fourth Proportional to 252,782.84, 348,858.69 and 145,386.56
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Solution
The fourth proportional to 252,782.84, 348,858.69 and 145,386.56 is: 200,644.02
Step by Step Solution
- Step 1: Write the proportion equation
252,782.84 : 348,858.69 = 145,386.56 : x - Step 2: Convert to fraction form
252,782.84/348,858.69 = 145,386.56/x - Step 3: Cross multiply
252,782.84x = 348,858.69 × 145,386.56 - Step 4: Simplify right side
252,782.84x = 50,719,364,865.21 - Step 5: Solve for x
x = 50,719,364,865.21/252,782.84 - Step 6: Final answer
x = 200,644.02
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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.