Finding the Fourth Proportional to 149,318.24, 206,059.44 and 88,890.97
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Solution
The fourth proportional to 149,318.24, 206,059.44 and 88,890.97 is: 122,669.70
Step by Step Solution
- Step 1: Write the proportion equation
149,318.24 : 206,059.44 = 88,890.97 : x - Step 2: Convert to fraction form
149,318.24/206,059.44 = 88,890.97/x - Step 3: Cross multiply
149,318.24x = 206,059.44 × 88,890.97 - Step 4: Simplify right side
149,318.24x = 18,316,823,703.81 - Step 5: Solve for x
x = 18,316,823,703.81/149,318.24 - Step 6: Final answer
x = 122,669.70
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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.