Finding the Fourth Proportional to 186,913.18, 280,160.79 and 98,176.06
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Solution
The fourth proportional to 186,913.18, 280,160.79 and 98,176.06 is: 147,154.32
Step by Step Solution
- Step 1: Write the proportion equation
186,913.18 : 280,160.79 = 98,176.06 : x - Step 2: Convert to fraction form
186,913.18/280,160.79 = 98,176.06/x - Step 3: Cross multiply
186,913.18x = 280,160.79 × 98,176.06 - Step 4: Simplify right side
186,913.18x = 27,505,082,528.69 - Step 5: Solve for x
x = 27,505,082,528.69/186,913.18 - Step 6: Final answer
x = 147,154.32
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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.