Finding the Fourth Proportional to 350,721.19, 483,995.13 and 189,576.14
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Solution
The fourth proportional to 350,721.19, 483,995.13 and 189,576.14 is: 261,615.02
Step by Step Solution
- Step 1: Write the proportion equation
350,721.19 : 483,995.13 = 189,576.14 : x - Step 2: Convert to fraction form
350,721.19/483,995.13 = 189,576.14/x - Step 3: Cross multiply
350,721.19x = 483,995.13 × 189,576.14 - Step 4: Simplify right side
350,721.19x = 91,753,928,524.20 - Step 5: Solve for x
x = 91,753,928,524.20/350,721.19 - Step 6: Final answer
x = 261,615.02
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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.