Finding the Fourth Proportional to 178,775.28, 246,674.97 and 102,317.76
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Solution
The fourth proportional to 178,775.28, 246,674.97 and 102,317.76 is: 141,178.53
Step by Step Solution
- Step 1: Write the proportion equation
178,775.28 : 246,674.97 = 102,317.76 : x - Step 2: Convert to fraction form
178,775.28/246,674.97 = 102,317.76/x - Step 3: Cross multiply
178,775.28x = 246,674.97 × 102,317.76 - Step 4: Simplify right side
178,775.28x = 25,239,230,378.47 - Step 5: Solve for x
x = 25,239,230,378.47/178,775.28 - Step 6: Final answer
x = 141,178.53
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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.