Finding the Fourth Proportional to 258,769.69, 357,102.27 and 145,592.44
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Solution
The fourth proportional to 258,769.69, 357,102.27 and 145,592.44 is: 200,917.62
Step by Step Solution
- Step 1: Write the proportion equation
258,769.69 : 357,102.27 = 145,592.44 : x - Step 2: Convert to fraction form
258,769.69/357,102.27 = 145,592.44/x - Step 3: Cross multiply
258,769.69x = 357,102.27 × 145,592.44 - Step 4: Simplify right side
258,769.69x = 51,991,389,926.08 - Step 5: Solve for x
x = 51,991,389,926.08/258,769.69 - Step 6: Final answer
x = 200,917.62
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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.