Finding the Fourth Proportional to 460,188.80, 689,872.80 and 179,640.80
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Solution
The fourth proportional to 460,188.80, 689,872.80 and 179,640.80 is: 269,300.99
Step by Step Solution
- Step 1: Write the proportion equation
460,188.80 : 689,872.80 = 179,640.80 : x - Step 2: Convert to fraction form
460,188.80/689,872.80 = 179,640.80/x - Step 3: Cross multiply
460,188.80x = 689,872.80 × 179,640.80 - Step 4: Simplify right side
460,188.80x = 123,929,301,690.24 - Step 5: Solve for x
x = 123,929,301,690.24/460,188.80 - Step 6: Final answer
x = 269,300.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.