Finding the Fourth Proportional to 275,971.68, 413,662.80 and 157,387.68
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Solution
The fourth proportional to 275,971.68, 413,662.80 and 157,387.68 is: 235,913.44
Step by Step Solution
- Step 1: Write the proportion equation
275,971.68 : 413,662.80 = 157,387.68 : x - Step 2: Convert to fraction form
275,971.68/413,662.80 = 157,387.68/x - Step 3: Cross multiply
275,971.68x = 413,662.80 × 157,387.68 - Step 4: Simplify right side
275,971.68x = 65,105,428,394.30 - Step 5: Solve for x
x = 65,105,428,394.30/275,971.68 - Step 6: Final answer
x = 235,913.44
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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.