Finding the Fourth Proportional to 118,599.65, 177,957.90 and 55,424.13
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Solution
The fourth proportional to 118,599.65, 177,957.90 and 55,424.13 is: 83,163.50
Step by Step Solution
- Step 1: Write the proportion equation
118,599.65 : 177,957.90 = 55,424.13 : x - Step 2: Convert to fraction form
118,599.65/177,957.90 = 55,424.13/x - Step 3: Cross multiply
118,599.65x = 177,957.90 × 55,424.13 - Step 4: Simplify right side
118,599.65x = 9,863,161,784.13 - Step 5: Solve for x
x = 9,863,161,784.13/118,599.65 - Step 6: Final answer
x = 83,163.50
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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.