Finding the Fourth Proportional to 205,644.51, 283,787.82 and 115,000.65
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Solution
The fourth proportional to 205,644.51, 283,787.82 and 115,000.65 is: 158,700.00
Step by Step Solution
- Step 1: Write the proportion equation
205,644.51 : 283,787.82 = 115,000.65 : x - Step 2: Convert to fraction form
205,644.51/283,787.82 = 115,000.65/x - Step 3: Cross multiply
205,644.51x = 283,787.82 × 115,000.65 - Step 4: Simplify right side
205,644.51x = 32,635,783,762.08 - Step 5: Solve for x
x = 32,635,783,762.08/205,644.51 - Step 6: Final answer
x = 158,700.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.