Finding the Fourth Proportional to 146,638.88, 202,356.24 and 79,569.44
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Solution
The fourth proportional to 146,638.88, 202,356.24 and 79,569.44 is: 109,802.89
Step by Step Solution
- Step 1: Write the proportion equation
146,638.88 : 202,356.24 = 79,569.44 : x - Step 2: Convert to fraction form
146,638.88/202,356.24 = 79,569.44/x - Step 3: Cross multiply
146,638.88x = 202,356.24 × 79,569.44 - Step 4: Simplify right side
146,638.88x = 16,101,372,697.31 - Step 5: Solve for x
x = 16,101,372,697.31/146,638.88 - Step 6: Final answer
x = 109,802.89
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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.