Finding the Fourth Proportional to 231,010.56, 318,799.80 and 135,586.08
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Solution
The fourth proportional to 231,010.56, 318,799.80 and 135,586.08 is: 187,111.86
Step by Step Solution
- Step 1: Write the proportion equation
231,010.56 : 318,799.80 = 135,586.08 : x - Step 2: Convert to fraction form
231,010.56/318,799.80 = 135,586.08/x - Step 3: Cross multiply
231,010.56x = 318,799.80 × 135,586.08 - Step 4: Simplify right side
231,010.56x = 43,224,815,186.78 - Step 5: Solve for x
x = 43,224,815,186.78/231,010.56 - Step 6: Final answer
x = 187,111.86
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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.