Finding the Fourth Proportional to 187,930.10, 259,342.72 and 101,888.82
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Solution
The fourth proportional to 187,930.10, 259,342.72 and 101,888.82 is: 140,606.12
Step by Step Solution
- Step 1: Write the proportion equation
187,930.10 : 259,342.72 = 101,888.82 : x - Step 2: Convert to fraction form
187,930.10/259,342.72 = 101,888.82/x - Step 3: Cross multiply
187,930.10x = 259,342.72 × 101,888.82 - Step 4: Simplify right side
187,930.10x = 26,424,122,654.13 - Step 5: Solve for x
x = 26,424,122,654.13/187,930.10 - Step 6: Final answer
x = 140,606.12
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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.