Finding the Fourth Proportional to 149,331.99, 206,078.06 and 82,263.99
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Solution
The fourth proportional to 149,331.99, 206,078.06 and 82,263.99 is: 113,524.26
Step by Step Solution
- Step 1: Write the proportion equation
149,331.99 : 206,078.06 = 82,263.99 : x - Step 2: Convert to fraction form
149,331.99/206,078.06 = 82,263.99/x - Step 3: Cross multiply
149,331.99x = 206,078.06 × 82,263.99 - Step 4: Simplify right side
149,331.99x = 16,952,803,750.63 - Step 5: Solve for x
x = 16,952,803,750.63/149,331.99 - Step 6: Final answer
x = 113,524.26
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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.