Finding the Fourth Proportional to 186,880.36, 280,123.68 and 93,189.28
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Solution
The fourth proportional to 186,880.36, 280,123.68 and 93,189.28 is: 139,685.75
Step by Step Solution
- Step 1: Write the proportion equation
186,880.36 : 280,123.68 = 93,189.28 : x - Step 2: Convert to fraction form
186,880.36/280,123.68 = 93,189.28/x - Step 3: Cross multiply
186,880.36x = 280,123.68 × 93,189.28 - Step 4: Simplify right side
186,880.36x = 26,104,524,050.15 - Step 5: Solve for x
x = 26,104,524,050.15/186,880.36 - Step 6: Final answer
x = 139,685.75
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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.