Finding the Fourth Proportional to 335,984.26, 503,986.10 and 86,666.26
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Solution
The fourth proportional to 335,984.26, 503,986.10 and 86,666.26 is: 130,001.89
Step by Step Solution
- Step 1: Write the proportion equation
335,984.26 : 503,986.10 = 86,666.26 : x - Step 2: Convert to fraction form
335,984.26/503,986.10 = 86,666.26/x - Step 3: Cross multiply
335,984.26x = 503,986.10 × 86,666.26 - Step 4: Simplify right side
335,984.26x = 43,678,590,378.99 - Step 5: Solve for x
x = 43,678,590,378.99/335,984.26 - Step 6: Final answer
x = 130,001.89
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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.