Finding the Fourth Proportional to 265,139.68, 397,710.34 and 65,460.09
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Solution
The fourth proportional to 265,139.68, 397,710.34 and 65,460.09 is: 98,190.34
Step by Step Solution
- Step 1: Write the proportion equation
265,139.68 : 397,710.34 = 65,460.09 : x - Step 2: Convert to fraction form
265,139.68/397,710.34 = 65,460.09/x - Step 3: Cross multiply
265,139.68x = 397,710.34 × 65,460.09 - Step 4: Simplify right side
265,139.68x = 26,034,154,650.33 - Step 5: Solve for x
x = 26,034,154,650.33/265,139.68 - Step 6: Final answer
x = 98,190.34
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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.