Finding the Fourth Proportional to 187,880.94, 259,270.34 and 107,306.81
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Solution
The fourth proportional to 187,880.94, 259,270.34 and 107,306.81 is: 148,080.33
Step by Step Solution
- Step 1: Write the proportion equation
187,880.94 : 259,270.34 = 107,306.81 : x - Step 2: Convert to fraction form
187,880.94/259,270.34 = 107,306.81/x - Step 3: Cross multiply
187,880.94x = 259,270.34 × 107,306.81 - Step 4: Simplify right side
187,880.94x = 27,821,471,280.13 - Step 5: Solve for x
x = 27,821,471,280.13/187,880.94 - Step 6: Final answer
x = 148,080.33
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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.