Finding the Fourth Proportional to 256,664.50, 385,062.36 and 106,855.00
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Solution
The fourth proportional to 256,664.50, 385,062.36 and 106,855.00 is: 160,309.81
Step by Step Solution
- Step 1: Write the proportion equation
256,664.50 : 385,062.36 = 106,855.00 : x - Step 2: Convert to fraction form
256,664.50/385,062.36 = 106,855.00/x - Step 3: Cross multiply
256,664.50x = 385,062.36 × 106,855.00 - Step 4: Simplify right side
256,664.50x = 41,145,837,114.44 - Step 5: Solve for x
x = 41,145,837,114.44/256,664.50 - Step 6: Final answer
x = 160,309.81
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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.