Finding the Fourth Proportional to 142,845.66, 214,295.58 and 57,463.08
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Solution
The fourth proportional to 142,845.66, 214,295.58 and 57,463.08 is: 86,205.52
Step by Step Solution
- Step 1: Write the proportion equation
142,845.66 : 214,295.58 = 57,463.08 : x - Step 2: Convert to fraction form
142,845.66/214,295.58 = 57,463.08/x - Step 3: Cross multiply
142,845.66x = 214,295.58 × 57,463.08 - Step 4: Simplify right side
142,845.66x = 12,314,084,057.19 - Step 5: Solve for x
x = 12,314,084,057.19/142,845.66 - Step 6: Final answer
x = 86,205.52
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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.