Finding the Fourth Proportional to 186,642.33, 280,012.85 and 97,872.00
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Solution
The fourth proportional to 186,642.33, 280,012.85 and 97,872.00 is: 146,833.88
Step by Step Solution
- Step 1: Write the proportion equation
186,642.33 : 280,012.85 = 97,872.00 : x - Step 2: Convert to fraction form
186,642.33/280,012.85 = 97,872.00/x - Step 3: Cross multiply
186,642.33x = 280,012.85 × 97,872.00 - Step 4: Simplify right side
186,642.33x = 27,405,416,482.81 - Step 5: Solve for x
x = 27,405,416,482.81/186,642.33 - Step 6: Final answer
x = 146,833.88
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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.