Finding the Fourth Proportional to 187,046.28, 257,790.06 and 141,615.41
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Solution
The fourth proportional to 187,046.28, 257,790.06 and 141,615.41 is: 195,176.53
Step by Step Solution
- Step 1: Write the proportion equation
187,046.28 : 257,790.06 = 141,615.41 : x - Step 2: Convert to fraction form
187,046.28/257,790.06 = 141,615.41/x - Step 3: Cross multiply
187,046.28x = 257,790.06 × 141,615.41 - Step 4: Simplify right side
187,046.28x = 36,507,043,751.87 - Step 5: Solve for x
x = 36,507,043,751.87/187,046.28 - Step 6: Final answer
x = 195,176.53
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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.