Finding the Fourth Proportional to 187,967.16, 259,337.99 and 115,295.38
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Solution
The fourth proportional to 187,967.16, 259,337.99 and 115,295.38 is: 159,072.85
Step by Step Solution
- Step 1: Write the proportion equation
187,967.16 : 259,337.99 = 115,295.38 : x - Step 2: Convert to fraction form
187,967.16/259,337.99 = 115,295.38/x - Step 3: Cross multiply
187,967.16x = 259,337.99 × 115,295.38 - Step 4: Simplify right side
187,967.16x = 29,900,471,745.38 - Step 5: Solve for x
x = 29,900,471,745.38/187,967.16 - Step 6: Final answer
x = 159,072.85
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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.