Finding the Fourth Proportional to 265,988.48, 367,063.57 and 145,129.70
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Solution
The fourth proportional to 265,988.48, 367,063.57 and 145,129.70 is: 200,278.69
Step by Step Solution
- Step 1: Write the proportion equation
265,988.48 : 367,063.57 = 145,129.70 : x - Step 2: Convert to fraction form
265,988.48/367,063.57 = 145,129.70/x - Step 3: Cross multiply
265,988.48x = 367,063.57 × 145,129.70 - Step 4: Simplify right side
265,988.48x = 53,271,824,013.01 - Step 5: Solve for x
x = 53,271,824,013.01/265,988.48 - Step 6: Final answer
x = 200,278.69
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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.