Finding the Fourth Proportional to 460,943.24, 691,414.68 and 145,424.84
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Solution
The fourth proportional to 460,943.24, 691,414.68 and 145,424.84 is: 218,137.20
Step by Step Solution
- Step 1: Write the proportion equation
460,943.24 : 691,414.68 = 145,424.84 : x - Step 2: Convert to fraction form
460,943.24/691,414.68 = 145,424.84/x - Step 3: Cross multiply
460,943.24x = 691,414.68 × 145,424.84 - Step 4: Simplify right side
460,943.24x = 100,548,869,212.65 - Step 5: Solve for x
x = 100,548,869,212.65/460,943.24 - Step 6: Final answer
x = 218,137.20
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1.5x scale
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.