Finding the Fourth Proportional to 176,803.50, 265,277.62 and 76,912.14
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Solution
The fourth proportional to 176,803.50, 265,277.62 and 76,912.14 is: 115,399.69
Step by Step Solution
- Step 1: Write the proportion equation
176,803.50 : 265,277.62 = 76,912.14 : x - Step 2: Convert to fraction form
176,803.50/265,277.62 = 76,912.14/x - Step 3: Cross multiply
176,803.50x = 265,277.62 × 76,912.14 - Step 4: Simplify right side
176,803.50x = 20,403,069,448.31 - Step 5: Solve for x
x = 20,403,069,448.31/176,803.50 - Step 6: Final answer
x = 115,399.69
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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.