Finding the Fourth Proportional to 136,973.44, 205,555.54 and 48,234.09
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Solution
The fourth proportional to 136,973.44, 205,555.54 and 48,234.09 is: 72,384.72
Step by Step Solution
- Step 1: Write the proportion equation
136,973.44 : 205,555.54 = 48,234.09 : x - Step 2: Convert to fraction form
136,973.44/205,555.54 = 48,234.09/x - Step 3: Cross multiply
136,973.44x = 205,555.54 × 48,234.09 - Step 4: Simplify right side
136,973.44x = 9,914,784,416.36 - Step 5: Solve for x
x = 9,914,784,416.36/136,973.44 - Step 6: Final answer
x = 72,384.72
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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.