Finding the Fourth Proportional to 187,149.09, 258,272.11 and 102,271.62
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Solution
The fourth proportional to 187,149.09, 258,272.11 and 102,271.62 is: 141,138.31
Step by Step Solution
- Step 1: Write the proportion equation
187,149.09 : 258,272.11 = 102,271.62 : x - Step 2: Convert to fraction form
187,149.09/258,272.11 = 102,271.62/x - Step 3: Cross multiply
187,149.09x = 258,272.11 × 102,271.62 - Step 4: Simplify right side
187,149.09x = 26,413,907,090.52 - Step 5: Solve for x
x = 26,413,907,090.52/187,149.09 - Step 6: Final answer
x = 141,138.31
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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.