Finding the Fourth Proportional to 150,622.05, 207,860.54 and 82,637.79
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Solution
The fourth proportional to 150,622.05, 207,860.54 and 82,637.79 is: 114,041.31
Step by Step Solution
- Step 1: Write the proportion equation
150,622.05 : 207,860.54 = 82,637.79 : x - Step 2: Convert to fraction form
150,622.05/207,860.54 = 82,637.79/x - Step 3: Cross multiply
150,622.05x = 207,860.54 × 82,637.79 - Step 4: Simplify right side
150,622.05x = 17,177,135,653.81 - Step 5: Solve for x
x = 17,177,135,653.81/150,622.05 - Step 6: Final answer
x = 114,041.31
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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.