Finding the Fourth Proportional to 187,880.19, 259,269.30 and 107,306.05
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Solution
The fourth proportional to 187,880.19, 259,269.30 and 107,306.05 is: 148,079.28
Step by Step Solution
- Step 1: Write the proportion equation
187,880.19 : 259,269.30 = 107,306.05 : x - Step 2: Convert to fraction form
187,880.19/259,269.30 = 107,306.05/x - Step 3: Cross multiply
187,880.19x = 259,269.30 × 107,306.05 - Step 4: Simplify right side
187,880.19x = 27,821,163,821.09 - Step 5: Solve for x
x = 27,821,163,821.09/187,880.19 - Step 6: Final answer
x = 148,079.28
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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.