Finding the Fourth Proportional to 187,293.07, 258,673.08 and 173,121.31
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Solution
The fourth proportional to 187,293.07, 258,673.08 and 173,121.31 is: 239,100.26
Step by Step Solution
- Step 1: Write the proportion equation
187,293.07 : 258,673.08 = 173,121.31 : x - Step 2: Convert to fraction form
187,293.07/258,673.08 = 173,121.31/x - Step 3: Cross multiply
187,293.07x = 258,673.08 × 173,121.31 - Step 4: Simplify right side
187,293.07x = 44,781,822,470.07 - Step 5: Solve for x
x = 44,781,822,470.07/187,293.07 - Step 6: Final answer
x = 239,100.26
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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.