Finding the Fourth Proportional to 173,281.44, 239,144.46 and 105,282.74
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Solution
The fourth proportional to 173,281.44, 239,144.46 and 105,282.74 is: 145,299.95
Step by Step Solution
- Step 1: Write the proportion equation
173,281.44 : 239,144.46 = 105,282.74 : x - Step 2: Convert to fraction form
173,281.44/239,144.46 = 105,282.74/x - Step 3: Cross multiply
173,281.44x = 239,144.46 × 105,282.74 - Step 4: Simplify right side
173,281.44x = 25,177,784,004.62 - Step 5: Solve for x
x = 25,177,784,004.62/173,281.44 - Step 6: Final answer
x = 145,299.95
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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.