Finding the Fourth Proportional to 149,472.26, 206,329.31 and 109,503.48
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Solution
The fourth proportional to 149,472.26, 206,329.31 and 109,503.48 is: 151,156.99
Step by Step Solution
- Step 1: Write the proportion equation
149,472.26 : 206,329.31 = 109,503.48 : x - Step 2: Convert to fraction form
149,472.26/206,329.31 = 109,503.48/x - Step 3: Cross multiply
149,472.26x = 206,329.31 × 109,503.48 - Step 4: Simplify right side
149,472.26x = 22,593,777,471.00 - Step 5: Solve for x
x = 22,593,777,471.00/149,472.26 - Step 6: Final answer
x = 151,156.99
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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.