Finding the Fourth Proportional to 150,655.30, 207,903.74 and 82,673.41
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Solution
The fourth proportional to 150,655.30, 207,903.74 and 82,673.41 is: 114,088.99
Step by Step Solution
- Step 1: Write the proportion equation
150,655.30 : 207,903.74 = 82,673.41 : x - Step 2: Convert to fraction form
150,655.30/207,903.74 = 82,673.41/x - Step 3: Cross multiply
150,655.30x = 207,903.74 × 82,673.41 - Step 4: Simplify right side
150,655.30x = 17,188,111,137.55 - Step 5: Solve for x
x = 17,188,111,137.55/150,655.30 - Step 6: Final answer
x = 114,088.99
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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.