Finding the Fourth Proportional to 150,644.81, 207,889.84 and 83,576.81
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Solution
The fourth proportional to 150,644.81, 207,889.84 and 83,576.81 is: 115,336.00
Step by Step Solution
- Step 1: Write the proportion equation
150,644.81 : 207,889.84 = 83,576.81 : x - Step 2: Convert to fraction form
150,644.81/207,889.84 = 83,576.81/x - Step 3: Cross multiply
150,644.81x = 207,889.84 × 83,576.81 - Step 4: Simplify right side
150,644.81x = 17,374,770,282.81 - Step 5: Solve for x
x = 17,374,770,282.81/150,644.81 - Step 6: Final answer
x = 115,336.00
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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.