Finding the Fourth Proportional to 256,106.44, 384,355.68 and 115,963.48
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Solution
The fourth proportional to 256,106.44, 384,355.68 and 115,963.48 is: 174,033.98
Step by Step Solution
- Step 1: Write the proportion equation
256,106.44 : 384,355.68 = 115,963.48 : x - Step 2: Convert to fraction form
256,106.44/384,355.68 = 115,963.48/x - Step 3: Cross multiply
256,106.44x = 384,355.68 × 115,963.48 - Step 4: Simplify right side
256,106.44x = 44,571,222,210.57 - Step 5: Solve for x
x = 44,571,222,210.57/256,106.44 - Step 6: Final answer
x = 174,033.98
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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.