Finding the Fourth Proportional to 230,673.98, 345,844.88 and 141,743.75
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Solution
The fourth proportional to 230,673.98, 345,844.88 and 141,743.75 is: 212,513.56
Step by Step Solution
- Step 1: Write the proportion equation
230,673.98 : 345,844.88 = 141,743.75 : x - Step 2: Convert to fraction form
230,673.98/345,844.88 = 141,743.75/x - Step 3: Cross multiply
230,673.98x = 345,844.88 × 141,743.75 - Step 4: Simplify right side
230,673.98x = 49,021,347,771.56 - Step 5: Solve for x
x = 49,021,347,771.56/230,673.98 - Step 6: Final answer
x = 212,513.56
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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.