Finding the Fourth Proportional to 187,162.74, 258,211.14 and 115,418.34
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Solution
The fourth proportional to 187,162.74, 258,211.14 and 115,418.34 is: 159,232.02
Step by Step Solution
- Step 1: Write the proportion equation
187,162.74 : 258,211.14 = 115,418.34 : x - Step 2: Convert to fraction form
187,162.74/258,211.14 = 115,418.34/x - Step 3: Cross multiply
187,162.74x = 258,211.14 × 115,418.34 - Step 4: Simplify right side
187,162.74x = 29,802,301,148.31 - Step 5: Solve for x
x = 29,802,301,148.31/187,162.74 - Step 6: Final answer
x = 159,232.02
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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.