Finding the Fourth Proportional to 146,454.88, 202,107.36 and 79,386.88
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Solution
The fourth proportional to 146,454.88, 202,107.36 and 79,386.88 is: 109,553.69
Step by Step Solution
- Step 1: Write the proportion equation
146,454.88 : 202,107.36 = 79,386.88 : x - Step 2: Convert to fraction form
146,454.88/202,107.36 = 79,386.88/x - Step 3: Cross multiply
146,454.88x = 202,107.36 × 79,386.88 - Step 4: Simplify right side
146,454.88x = 16,044,672,735.44 - Step 5: Solve for x
x = 16,044,672,735.44/146,454.88 - Step 6: Final answer
x = 109,553.69
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1.5x scale
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.