Finding the Fourth Proportional to 187,912.28, 259,318.59 and 103,029.14
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Solution
The fourth proportional to 187,912.28, 259,318.59 and 103,029.14 is: 142,180.02
Step by Step Solution
- Step 1: Write the proportion equation
187,912.28 : 259,318.59 = 103,029.14 : x - Step 2: Convert to fraction form
187,912.28/259,318.59 = 103,029.14/x - Step 3: Cross multiply
187,912.28x = 259,318.59 × 103,029.14 - Step 4: Simplify right side
187,912.28x = 26,717,371,313.71 - Step 5: Solve for x
x = 26,717,371,313.71/187,912.28 - Step 6: Final answer
x = 142,180.02
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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.